Template:On This Day (nonfiction)/April 1
1776: Mathematician, physicist, and philosopher Sophie Germain born. Germain's work on Fermat's Last Theorem will provide a foundation for mathematicians exploring the subject for hundreds of years after.
1898: Mathematician and anthropologist William James Sidis born. Sidis will become famous first for his precocity and later for his eccentricity and withdrawal from public life.
1973: Mathematician Robin Farquharson dies. Farquharson wrote an influential analysis of voting systems in his doctoral thesis, later published as Theory of Voting.
2003: Steve Bellovin publishes Request for Comment 5314, subsequently known as the evil bit protocol, a humorous April Fool's Day proposal.
2004: After collecting solar wind particles for 850 days, the Genesis ends its collection process. The Genesis return capsule will crash land in Utah on September 8, 2004, after a design flaw prevents the deployment of its drogue parachute.
2016: Mathematician Tan Lei dies. Tan Lei specialized in complex dynamics and functions of complex numbers, making contributions to the study of the Mandelbrot set and Julia set.