8 Facts About Lupercalia—the Ancient Festival Full of Whippings and Ritual Sacrifice

Sex, violence, and drunkenness: For centuries, Lupercalia was a major Roman party, surviving well into the rise of Christianity. And pretty soon, someone on your Facebook feed is probably going to claim that this holiday gave rise to our modern Valentine’s Day. So what’s the true story behind the ancient Roman festival and its relation to candy hearts?

1. Lupercalia featured odd sacrifices.

Every year on February 15, the festival began by going to the Lupercal (the legendary site where Romulus and Remus were suckled) and sacrificing a dog and a goat. According to scholar Keith Hopkins, this was unusual in and of itself, because pigs, sheep, and bulls were most commonly used as sacrificial animals. The Oxford Classical Dictionary explains that next, the blood of these animals "was smeared with a knife on the foreheads of two youths (who were obliged to laugh), and wiped with wool dipped in milk."

2. Whippings were also on the menu.

After the blood/wool excitement, Lupercalia's main attraction was the runners. The sacrificed goat’s skin was cut into thongs and (possibly—see below) girdles to be worn by the athletes. Then two sets of runners (a third set would be added later) would make their way through the streets of the city, whipping whomever they met on their way. According to some accounts, women would volunteer to be whipped because it was believed to bring fertility and make the birthing process easier for them. But as the years passed, things changed; by the 3rd century, the voluntary nature of this ritual seemed to be less voluntary. Hopkins claims that a mosaic featuring a Lupercalia celebration features “two men forcibly holding a naked woman face upwards, while a third man, half naked, whips her thighs ... The men’s drunken hilarity is matched by the beaten woman’s obvious pain."

3. People may have been naked—or maybe not.

One long-standing debate about Lupercalia is the degree of nudity. There are definite references to nudus, but that doesn’t necessarily mean naked. It could just mean “having one’s main garment removed,” possibly in reference to the runners wearing goat skin loincloths. But other writers were explicit in mentioning nudity as part of the festivities. It remains an open question whether the festival was PG-, R-, or X-rated.

4. It’s not quite clear who or what the Lupercalia festival was celebrating.

Circle of Adam Elsheimer The Lupercalian Festival in Rome
Public Domain, Wikimedia Commons

According to the 1st century BCE scholar Marcus Terentius Varro, "the Luperci [are so called] because at the Lupercalia they sacrifice at the Lupercal … the Lupercalia are so called because [that is when] the Luperci sacrifice at the Lupercal." This incredibly unhelpful circular definition has led to centuries of debate about who, or what, the festival was actually celebrating.

Ovid suggested that it was for Faunus (a Roman pastoral god); Livy said it was Inuus (the god of fertility); and Varro said it was a wolf goddess named Luperca. Traditionally, the two sets of runners are related to the mythological founders of Rome—Romulus and Remus—who were suckled by a wolf. But confusingly, Livy says that the twins were ambushed by bandits while celebrating the Lupercalia, leading some scholars to suggest the festival predates Romulus and Remus.

As South African scholar P.M.W. Tennant observed while discussing Romulus and Remus and the Lupercalia, “most of the ideas put forward here are obviously highly conjectural—as all theories concerning the Lupercalia are bound to be."

5. Lupercalia is when Julius Caesar was offered the crown.

Today, Lupercalia is probably most famous for what happened on February 15, 44 BCE. That day a “ naked, perfumed, drunk ” Mark Antony was one of the runners while Julius Caesar watched the proceedings from a throne. Antony went up to Julius Caesar with a diadem (a type of crown or headband) and—in what later historians have said was almost certainly scripted—attempted to give it to Caesar and proclaim him king.

The crowd's initial response to this action was tepid, but when Caesar refused the crown they cheered. Antony tried again, Caesar refused again, and the crowd exploded. Caesar ordered the crown taken to the Temple of Jupiter because Jupiter was Rome’s one king. The purpose of this exercise has been debated. Some propose Antony did it on his own to either flatter Caesar or embarrass him, while at the time it was thought that Caesar orchestrated the stunt as a way to test the waters for whether the people would accept a king. Either way, it didn't really work out for Caesar; he was assassinated one month later.

6. A Pope criticized the festival.

One of Lupercalia's most remarkable features is how long it survived. We know this because circa 494 CE, Pope Gelasius wrote a letter criticizing Christian participation in it. He commented on how in the olden days nobles would run as Lupercali and strike naked matrons, and modern participants should be willing to similarly run naked. By Gelasius’s time this had become heavily altered, leading him to proclaim “your own bashfulness ought itself to teach you that the Lupercalia is a public crime, not salvation and the cult of the Divinity, regarding which no wise man would blush. Rather the Lupercalia is an instrument of depravity, which your mind, bearing testimony against itself, blushes to fulfill.”

The letter is interesting to historians for many reasons. First, because Gelasius flat-out describes many of the less seemly rites, and it also allows historians to analyze how Lupercalia changed with time and changed with the perception of the author. For instance, Gelasius indicated that by the 5th century lower classes were the runners, whereas important figures like Mark Antony participated in earlier events.

7. Despite what you've heard, Lupercalia probably has nothing to do with Valentine’s Day.

Many pop culture websites and books declare that Pope Gelasius replaced Lupercalia with a festival dedicated to St. Valentine of Rome (or possibly of Terni—the figure is mysterious) who had his feast day on February 14. But as British author Mark Forsyth once observed, "It is vitally important when writing about traditions to remember that there are only 365 days in the year ... Overlap is not significance."

Most medieval historians agree there’s no evidence that Pope Gelasius replaced Lupercalia with any festival whatsoever (a similar claim that Candlemas replaced Lupercalia is also without merit) with scholar Jack Oruch proclaiming “at no point does Gelasius speak of compromise or of adapting any pagan customs” and another professor telling History.com: "It just drives me crazy that the Roman story keeps circulating and circulating." Meanwhile, popular legends that Lupercalia featured girls writing their names on paper that would be drawn from a box by boys are likely an 18th-century invention.

Most mainstream historians instead propose that Valentine’s Day and romance became associated with each other only in the late 14th century, and specifically because of a Geoffrey Chaucer poem called "Parliament of Fowls" (or "Parlement of Foules").

8. Valentine’s Day might not even be on February 14.

In Chaucer’s poem, he proclaimed (in modern spelling) “For this was on Saint Valentine’s day / When every bird came there to choose his mate.” But some historians have noted that February 14 is still very cold in England and is unlikely to be a good bird mating season. In the 1980s some historians, led by Andy Kelly of UCLA, began proposing that the "Valentine" Chaucer was referring to was St. Valentine of Genoa, whose feast day occurred on May 2 or May 3 (sources differ), instead of Valentine of Rome. This is especially relevant because King Richard II and Anne of Bohemia concluded their marriage treaty on May 2, meaning Chaucer may have chosen Valentine by just picking out a random saint whose day fell on the correct day in May. Over the years, the association with May weakened and the day migrated to the more famous Valentine of Rome.

Other scholars objected, pointing out that there are many references to fertility rites and festivals in February—such as Lupercalia—and that Chaucer may have been discussing the more famous Valentine of Rome and February 14.

"In medieval studies there is neither consensus nor continuing debate on the question which St. Valentine Chaucer had in mind," Professor Steven Justice of the University of California, Berkeley, tells Mental Floss. "The evidence just hasn't supported any conclusive arguments one way or the other, and unless one is (a) convinced that the feast, whichever it is, identifies the historical occasion of the poem, if it had one, and (b) interested in that historical occasion, the question does not seem very consequential. One would like an answer just because one doesn't like unanswered questions, but it's not clear that much hangs on it."

One thing is clear: Today, whether you celebrate Lupercalia or St. Valentine of Rome’s day in February or St. Valentine of Genoa in May, it's best leave out the goat sacrifices and running naked through the streets.

25 Things You Might Not Know About Thomas Jefferson

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iStock

Thomas Jefferson (1743-1826), the third president of the United States, penned one of the greatest documents of the modern world in the Declaration of Independence. While that’s certainly a career highlight, it’s far from the only interesting thing about him. For more on Jefferson’s life, accomplishments, and controversies, take a look at this assembly of 25 facts.

1. He was addicted to learning.

Born April 13 (April 2 on the pre-Gregorian calendar), 1743 at his father’s Shadwell plantation in Virginia, Jefferson was one of 10 children (eight of whom survived to adulthood). While he attended the College of William and Mary (he graduated in 1762), he was said to have studied for 15 hours daily on top of violin practice. The hard work paid off: Jefferson moved into law studies before becoming a lawyer in 1767. Two years later, he became a member of Virginia’s House of Burgesses, the Virginia legislature. His autodidact ways continued throughout his life: Jefferson could speak four languages (English, Italian, French, Latin) and read two more (Greek and Spanish).

2. His greatest work was a study in contradiction.

As a member of the Second Continental Congress and the “Committee of Five” (a group consisting of John Adams, Roger Sherman, Benjamin Franklin, Robert Livingston, and Thomas Jefferson brought together for this purpose), Jefferson was tasked with writing the Declaration of Independence, an argument against the 13 colonies being held under British rule. While the Declaration insisted that all men are created equal and that their right to liberty is inherent at birth, Jefferson’s plantation origins meant that he embraced the institution of slavery. In any given year, Jefferson supervised up to 200 slaves, with roughly half under the age of 16. He perpetuated acts of cruelty, sometimes selling slaves and having them relocated away from their families as punishment. Yet in a book titled Notes on the State of Virginia (which he began writing during his stint as governor and published in 1785), Jefferson wrote that he believed the practice was unjust and “tremble[d]” at the idea of God exacting vengeance on those who perpetuated it. Though Jefferson acknowledged slavery as morally repugnant—and also criticized the slave trade in a passage that was cut from the Declaration of Independence "in complaisance to South Carolina and Georgia”—he offered no hesitation in benefiting personally from it, a hypocrisy that would haunt his legacy through the present day.

3. He didn't like being rewritten.

After drafting the Declaration, Jefferson waited as Congress poured over his document for two days. When they broke session, Jefferson was annoyed to find that they were calling for extensive changes and revisions. He disliked the fact the passage criticizing the slave trade was to be omitted, along with some of his harsh words against British rule. Benjamin Franklin soothed his irritation, and the finished Declaration was adopted July 4, 1776, spreading via horseback and ship throughout that summer.

4. He recorded everything.

After inheriting his family’s Shadwell estate, Jefferson began constructing a new brick mansion on the property he dubbed Monticello, which means “little mountain” in Italian. For operations at Monticello and the properties he would acquire later in life, Jefferson was preoccupied with recording the minutiae of his daily routine, jotting down journal entries about the weather, his expansive garden, and the behavior of animals on his property. He kept a running tally of the hogs killed in a given year, mused about crop rotations, and noted the diet of his slaves.

5. He doubled the size of the country.

Jefferson’s greatest feat as president, an office he held from 1801 to 1809, was the Louisiana Purchase, a treaty-slash-transaction with France that effectively doubled the size of the United States. The deal took careful diplomacy, as Jefferson knew that France controlling the Mississippi River would have huge ramifications on trade movements. Fortunately, Napoleon Bonaparte was in the mood to deal, hoping the sale of the 830,000 square miles would help finance his armed advances on Europe. Bonaparte wanted $22 million; he settled for $15 million. Jefferson was elated, though some critics alleged the Constitution didn’t strictly allow for a president to purchase foreign soil.

6. He fought pirates.

Another instance where Jefferson pushed the limits of his Constitutional power was his fierce response to Barbary pirates, a roving band of plunderers from North Africa who frequently targeted supply ships in the Mediterranean and held them for ransom. Under Jefferson’s orders, American warships were dispatched to confront the pirates directly rather than capitulate to their demands. The initial Navy push was successful, but the pirates were able to capture a massive American frigate—which an American raiding party subsequently set fire to so the ship couldn't be used against them. A treaty was declared in 1805, although tensions resumed in what was known as the Second Barbary War in 1815. Again, Naval ships forced Algerian ships to retreat.

7. He helped popularize ice cream in the U.S.

Jefferson spent time in France in the 1700s as a diplomat, and that’s where he was likely introduced to the dessert delicacy known as ice cream. While not the first to port over recipes to the United States, his frequent serving of it during his time as president contributed to increased awareness. Jefferson was so fond of ice cream that he had special molds and tools imported from France to help his staff prepare it; because there was no refrigeration at the time, the confections were typically kept in ice houses and brought out to the amusement of guests, who were surprised by a frozen dish during summer parties. He also left behind what may be the first ice cream recipe in America: six egg yolks, a half-pound of sugar, two bottles of cream, and one vanilla bean.

8. He bribed a reporter.

Presidential scandals and dogged newspaper reporters are not strictly a 20th or 21st century dynamic. In the 1790s, a reporter named James Callender ran articles condemning several politicians—including Alexander Hamilton and John Adams—for various indiscretions. In 1801, he turned his attention to Jefferson, whom he alleged was having an affair with one of his slaves, a woman named Sally Hemings. Callender went to Jefferson and demanded he receive $200 and a job as a postmaster in exchange for his silence. Disgusted, Jefferson gave him $50. Callender eventually broke the news that Hemings and Jefferson had been involved, a relationship that resulted in several children. Jefferson supporters ignored the story—which modern-day DNA testing later corroborated—but Callender was never in a position to gather more evidence: He drowned in the James River in 1803.

9. He had a pet mockingbird.

Even before the Revolution, Jefferson had taken a liking to mockingbirds, and he brought this affection to the White House, which they filled with melodious song. (And, presumably, bird poop.) But he was singularly affectionate toward one mockingbird he named Dick. The bird was allowed to roam Jefferson’s office or perch on the president’s shoulder. When Jefferson played his violin, Dick would accompany with vocals. Dick and his colleagues followed Jefferson back to Monticello when he was finished with his second term in 1809.

10. He invented a few things.

Not one to sit idle, Jefferson used his available free time to consider solutions to some of the problems that followed him at his Monticello farming endeavors. Anxious to till soil more efficiently, he and his son-in-law, Thomas Mann Randolph, conceived of a plow that could navigate hills. He also tinkered with a way of improving a dumbwaiter, the elevator typically used to deliver food and other goods from one floor to another.

11. His wife had a curious connection to his mistress.

Jefferson was married for just 10 years before his wife, Martha Wayles, died in 1782 at age 33 of unknown causes. Curiously, Jefferson’s involvement with his slave, Sally Hemings, was part of Martha's convoluted family tree. Martha’s father, John Wayles, had an affair with Sally’s mother, Elizabeth Hemings—meaning most historians think Sally and Martha were half-sisters.

12. He's credited with creating a catchphrase.

During his second term as president, Jefferson was said to have run into a man on horseback near his Monticello estate who proceeded to engage him in a lengthy complaint of everything wrong in Washington. Reportedly, the man had no idea he was speaking to the commander-in-chief until Jefferson introduced himself. The man, deeply embarrassed, quickly spouted “my name is Haines” and then galloped away. True or not, Jefferson is credited with originating the resulting catchphrase that was popular in the 1800s, with people saying “my name is Haines” whenever they wanted to feign embarrassment or were forced to leave abruptly.

13. He was served with a subpoena.

Long before Richard Nixon landed in hot water, Thomas Jefferson resisted attempts to compel him to testify in court. The matter unraveled in 1807, when James Wilkinson insisted he had sent Jefferson a letter informing him of Aaron Burr’s plot to invade Mexico. Government attorneys wanted Jefferson to appear with the letter, but the president—who said that the country would be left without leadership if he traveled to Richmond to answer the subpoena—refused to appear, an act of executive willpower that was never challenged in court.

14. He had a secret retreat.

Though Monticello remained Jefferson’s pride and joy, he had another residence for times when he wanted to be alone. Poplar Forest, located near Lynchburg, Virginia, was an octagonal home that he had built to exacting detail: The windows were measured so they would bring in only Jefferson’s preferred amount of sunlight. The home took years to construct and was nearly ready by the time he left office in 1809. It’s now open to the public.

15. He was a shabby dresser.

After taking office, Jefferson offended some in Washington who believed the president should be an impeccably-dressed and polished social host. While many of his stature would opt for a carriage, Jefferson rode a horse and dressed in plain and comfortable clothing. He acknowledged only two official White House celebrations annually: the 4th of July and New Year’s Day.

16. He was an early wine connoisseur.

Centuries before wine appreciation became a national pastime, Jefferson was busy accumulating an eclectic wine cellar. His love for the drink coincided with his trip to France, where he was introduced to the various tastes and textures. He kept a well-stocked collection at Monticello and also tried growing his own European grapes, but was never successful.

17. He shocked people by eating a tomato.

Jefferson’s multitudes of crops included what were, for their time, unique and sometimes puzzling additions. He grew tomatoes when their consumption in Virginia was uncommon, and, according to one account from 1900, Jefferson reportedly appalled some onlookers when he would consume one in front of witnesses.

18. He probably had a fear of public speaking.

Without today’s methods of addressing the public—radio, television, and Twitter—Jefferson was largely free to succumb to his reported phobia of speaking in public. While working as a lawyer, he found himself unable to deliver orated arguments as eloquently as he could write them. When he did speak, it was apparently with a meek disposition. One listener to his inaugural address in 1801 described Jefferson’s speech as being in “so low a tone that few heard it.”

19. He harvested opium.

At Monticello’s sprawling vegetable and plant gardens, Jefferson grew over 300 different kinds of crops, flowers, and other sprouts. Among them were Papaver somniferum, the poppy seed that can be used to create opioid drugs. Common in Jefferson’s time, the plant is now under much closer scrutiny and the estate was forced to pull up their remaining crop in 1991.

20. Abraham Lincoln was not a fan.

Though they weren’t contemporaries, Abraham Lincoln sometimes seethed with animosity toward Jefferson. William Henry Herndon, Lincoln’s onetime law partner, wrote that Lincoln “hated” Jefferson both for his moral shortcomings and his political views. But Lincoln also recognized the potency of the Declaration, citing its words as proof of equality among the population. “All honor to Jefferson,” he said, for making the document a “stumbling block” for anyone arguing in favor of tyranny. But he still never liked the guy.

21. He sold a lot of books to the Library of Congress.

Jefferson, a voracious reader, was dismayed when the War of 1812 resulted in British forces burning the Capitol in Washington and reducing its 3000-volume library of books to ashes. To repopulate the repository of knowledge, Jefferson sold Congress his entire personal library of 6707 titles for $23,950. The sale was finalized in 1815, and the books were sent via wagon from Virginia to Washington.

22. He helped found the University of Virginia.

A fierce advocate of education, Jefferson used his later years to propagate an institution of higher learning. Jefferson began planning the resources for a Virginia state university during his presidential term, writing to the Virginia House of Delegates that a college should not be solely a house but a “village.” In the proceeding years, Jefferson arranged funding, contributed design ideas, and helped shepherd the University of Virginia toward its formal opening in March 1825. Known as the “founding father” of the school, his influence has not always been welcomed. In April 2018, protesting students spray-painted the words rapist (in reference to his controversial relationship with slave Sally Hemings) and racist on a campus statue.

23. He was always in debt.

Status, salary, and opportunities should collude to make sure presidents are in solid financial shape during and after their tenure in office. Jefferson was an exception. Despite inheriting his father’s estate, he was plagued by debt for most of his life. He often spent beyond his means, expanding his property and making additions and renovations with little regard for the cost involved. His father-in-law, John Wayles, carried debt, which Jefferson became responsible for when Wayles died in 1774. Jefferson himself died owing $107,000, or roughly $2 million today.

24. His onetime nemesis dies on the same day.

Before Jefferson passed away on July 4, 1826, he had finally made amends with John Adams, the president who preceded him in office and for whom Jefferson had acted as vice-president. The two men, once on the same side, had grown to resent the other’s approach to diplomacy and politics, with Jefferson lamenting Adams’s preference for centralized and meddlesome government—though according to Jefferson, the major issue was the so-called “Midnight Judges,” appointments that Jefferson felt “were from among [his] most ardent political enemies.”

Strangely, Adams passed away the same day as Jefferson, just five hours later. The date, July 4, was also the 50th anniversary of the Declaration of Independence being adopted.

25. He wrote his own epitaph.

Jefferson wasn’t willing to leave his final resting place in the hands of others. He was exacting in how he wanted his grave marker to look and how his epitaph should read. He also directed the marker be made of inexpensive materials to dissuade vandals from bothering it. Following his death in 1826, several people chipped away at his grave in Monticello as souvenirs. Congress funded a new monument in 1882, which is still toured by visitors to the estate today. The engraving reads:

Here was buried

Thomas Jefferson

Author of the Declaration of American Independence

of the Statute of Virginia for religious freedom

& Father of the University of Virginia

This time, no one had the temerity to rewrite him.

15 Gripping Facts About Galileo

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Getty Images

Albert Einstein once said that the work of Galileo Galilei “marks the real beginning of physics.” And astronomy, too: Galileo was the first to aim a telescope at the night sky, and his discoveries changed our picture of the cosmos. Here are 15 things that you might not know about the father of modern science, who was born February 15, 1564.

1. There's a reason why Galileo Galilei's first name echoes his last name.

You may have noticed that Galileo Galilei’s given name is a virtual carbon-copy of his family name. In her book Galileo’s Daughter, Dava Sobel explains that in Galileo’s native Tuscany, it was customary to give the first-born son a Christian name based on the family name (in this case, Galilei). Over the years, the first name won out, and we’ve come to remember the scientist simply as “Galileo.”

2. Galileo Galilei probably never dropped anything off the leaning tower of Pisa. 

With its convenient “tilt,” the famous tower in Pisa, where Galileo spent the early part of his career, would have been the perfect place to test his theories of motion, and of falling bodies in particular. Did Galileo drop objects of different weights, to see which would strike the ground first? Unfortunately, we have only one written account of Galileo performing such an experiment, written many years later. Historians suspect that if Galileo taken part in such a grand spectacle, there would be more documentation. (However, physicist Steve Shore did perform the experiment at the tower in 2009; I videotaped it and put the results on YouTube.)

3. Galileo taught his students how to cast horoscopes.

It’s awkward to think of the father of modern science mucking about with astrology. But we should keep two things in mind: First, as historians remind us, it’s problematic to judge past events by today’s standards. We know that astrology is bunk, but in Galileo’s time, astrology was only just beginning to disentangle from astronomy. Besides, Galileo wasn’t rich: A professor who could teach astrological methods would be in greater demand than one who couldn’t.

4. Galileo didn't like being told what to do.

Maybe you already knew that, based on his eventual kerfuffle with the Roman Catholic Church. But even as a young professor at the University of Pisa, Galileo had a reputation for rocking the boat. The university’s rules demanded that he wear his formal robes at all times. He refused—he thought it was pretentious and considered the bulky gown a nuisance. So the university docked his pay.

5. Galileo Galilei didn't invent the telescope.

We’re not sure who did, although a Dutch spectacle-maker named Hans Lipperhey often gets the credit (he applied for a patent in the fall of 1608). Within a year, Galileo Galilei obtained one of these Dutch instruments and quickly improved the design. Soon, he had a telescope that could magnify 20 or even 30 times. As historian of science Owen Gingerich has put it, Galileo had managed “to turn a popular carnival toy into a scientific instrument.”

6. A king leaned on Galileo to name planets after him.

Galileo rose to fame in 1610 after discovering, among other things, that the planet Jupiter is accompanied by four little moons, never previously observed (and invisible without telescopic aid). Galileo dubbed them the “Medicean stars” after his patron, Cosimo II of the Medici family, who ruled over Tuscany. The news spread quickly; soon the king of France was asking Galileo if he might discover some more worlds and name them after him.

7. Galileo didn't have trouble with the church for the first two-thirds of his life.

In fact, the Vatican was keen on acquiring astronomical knowledge, because such data was vital for working out the dates of Easter and other holidays. In 1611, when Galileo visited Rome to show off his telescope to the Jesuit astronomers there, he was welcomed with open arms. The future Pope Urban VIII had one of Galileo’s essays read to him over dinner and even wrote a poem in praise of the scientist. It was only later, when a few disgruntled conservative professors began to speak out against Galileo, that things started to go downhill. It got even worse in 1616, when the Vatican officially denounced the heliocentric (sun-centered) system described by Copernicus, which all of Galileo’s observations seemed to support. And yet, the problem wasn’t Copernicanism. More vexing was the notion of a moving Earth, which seemed to contradict certain verses in the Bible.

8. Galileo probably could have earned a living as an artist.

We think of Galileo as a scientist, but his interests—and talents—straddled several disciplines. Galileo could draw and paint as well as many of his countrymen and was a master of perspective—a skill that no doubt helped him interpret the sights revealed by his telescope. His drawings of the Moon are particularly striking. As the art professor Samuel Edgerton has put it, Galileo’s work shows “the deft brushstrokes of a practiced watercolorist”; his images have “an attractive, soft, and luminescent quality.” Edgerton writes of Galileo’s “almost impressionistic technique” more than 250 years before Impressionism developed.

10. Galileo wrote about relativity long before Einstein.

He didn’t write about exactly the same sort of relativity that Einstein did. But Galileo understood very clearly that motion is relative—that is, that your perception of motion has to do with your own movement as well as that of the object you’re looking at. In fact, if you were locked inside a windowless cabin on a ship, you’d have no way of knowing if the ship was motionless, or moving at a steady speed. More than 250 years later, these ideas would be fodder for the mind of the young Einstein.

10. Galileo never married, but that doesn't mean he was alone.

Galileo was very close with a beautiful woman from Venice named Marina Gamba; together, they had two daughters and a son. And yet, they never married, nor even shared a home. Why not? As Dava Sobel notes, it was traditional for scholars in those days to remain single; perceived class difference may also have played a role.

11. You can listen to music composed by Galileo's dad.

Galileo’s father, Vincenzo, was a professional musician and music teacher. Several of his compositions have survived, and you can find modern recordings of them on CD (like this one). The young Galileo learned to play the lute by his father’s side; in time he became an accomplished musician in his own right. His music sense may have aided in his scientific work. With no precision clocks, Galileo was still able to time rolling and falling objects to within mere fractions of a second.

12. His discoveries may have influenced a scene in one of Shakespeare's late plays.

An amusing point of trivia is that Galileo and Shakespeare were born in the same year (1564). By the time Galileo aimed his telescope at the night sky, however, the English playwright was nearing the end of his career. But he wasn’t quite ready to put down the quill: His late play Cymbeline contains what may be an allusion to one of Galileo’s greatest discoveries—the four moons circling Jupiter. In the play’s final act, the god Jupiter descends from the heavens, and four ghosts dance around him in a circle. It could be a coincidence—or, as I suggest in my book The Science of Shakespeare, it could hint at the Bard's awareness of one of the great scientific discoveries of the time.

13. Galileo had some big-name visitors while under house arrest.

Charged with “vehement suspicion of heresy,” Galileo spent the final eight years of his life under house arrest in his villa outside of Florence. But he was able to keep writing and, apparently, to receive visitors, among them two famous Englishmen: the poet John Milton and the philosopher Thomas Hobbes.

14. Galileo's bones have not rested in peace.

When Galileo died in 1642, the Vatican refused to allow his remains to be buried alongside family members in Florence’s Santa Croce Basilica; instead, his bones were relegated to a side chapel. A century later, however, his reputation had improved, and his remains (minus a few fingers) were transferred to their present location, beneath a grand tomb in the basilica’s main chapel. Michelangelo is nearby.

15. Galileo might not have been thrilled with the Vatican's 1992 "apology."

In 1992, under Pope John Paul II, the Vatican issued an official statement admitting that it was wrong to have persecuted Galileo. But the statement seemed to place most of the blame on the clerks and theological advisers who worked on Galileo’s case—and not on Pope Urban VIII, who presided over the trial. Nor was the charge of heresy overturned.

Additional sources: The Discoveries and Opinions of Galileo; Galileo's Daughter; The Cambridge Companion to Galileo.

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