Math · 2
Which 18th-century female mathematician corresponded with Carl Friedrich Gauss under the male pseudonym 'Monsieur LeBlanc'?
Answer
Sophie Germain
Sophie Germain adopted the pseudonym 'Monsieur LeBlanc' to correspond with Gauss, as women were not taken seriously in mathematics at the time. When Gauss eventually learned her true identity, he praised her intellect warmly. She made significant contributions to number theory and elasticity theory.
💡 Did you know?
Sophie Germain proved theorems under a man's pseudonym so she could study mathematics—her real identity wasn't fully recognized until after her death.
Other options people guess
- Émilie du Châtelet
- Ada Lovelace
- Maria Agnesi
Topics
- history-of-math
- women-in-math
- number-theory
- 18th-century
Know your math trivia?
Play a free Math quiz and see how many you get right — no signup needed to start.
More Math facts
Math
What term describes prime numbers of the form 2^p − 1, named after the 17th-century French friar who cataloged them?
Marin Mersenne claimed in 1644 that 2^p-1 was prime for only 8 values under 257, but he was wrong about at least 5 of them—a mistake stood for centuries.
Math
What did Euclid's classic argument actually establish about prime numbers, as opposed to a direct claim that infinitely many exist?
Euclid never actually proved infinitely many primes exist—he only showed that for any finite list, one more exists beyond it. A crucial logical distinction.
Math
Fermat wrongly claimed his formula 2^(2^n)+1 always produced primes—what is the numerical value of the fifth term, which turned out to be composite?
Pierre de Fermat believed every number of the form 2^(2^n)+1 was prime. He was right for n=0,1,2,3,4 but catastrophically wrong—the fifth one factors into 641×6,700,417.
Math
Which Renaissance artist illustrated Luca Pacioli's 1509 treatise 'De Divina Proportione', which explored the golden ratio's aesthetic properties?
Stock market traders use golden ratio levels for price predictions, despite no mathematical proof it predicts future trends better than random chance.
Math
In what year did Isaac Newton begin his intensely productive period of mathematical work while avoiding a plague outbreak?
Isaac Newton invented calculus while hiding from plague in 1665, producing more mathematics in 18 months than most mathematicians in a lifetime.
Math
What have scientific studies found when researchers measured the facial proportions of people rated as highly attractive?
The human face doesn't actually obey the golden ratio as consistently as cosmetic surgeons claim—studies show attractive faces vary widely in their proportions.