Template:Selected anniversaries/November 3
1643: Astronomer and mathematician Paul Guldin dies. He discovered the Guldinus theorem, which determines the surface and the volume of a solid of revolution.
1911: Mathematician George Chrystal dies. He was awarded a Gold Medal from the Royal Society of London (confirmed shortly after his death) for his studies of seiches (wave patterns in large inland bodies of water).
1918: Mathematician and physicist Aleksandr Lyapunov dies. Lyapunov contributed to several fields, including differential equations, potential theory, dynamical systems and probability theory. His main preoccupations were the stability of equilibria and the motion of mechanical systems, and the study of particles under the influence of gravity.
2017: The Eel Hates Peter Aal sells for two and a half million dollars.