On This Day in History: June 27
1831: Mathematician, physicist, and philosopher Sophie Germain dies. Her work on Fermat's Last Theorem provided a foundation for mathematicians exploring the subject for hundreds of years after.
1975: Mathematician and physicist G. I. Taylor dies. He made major contributions to fluid dynamics and wave theory.
Albert Einstein and Alice Beta develop new technology for predicting and preventing crimes against mathematical constants
Havelock and Nikola Tesla conduct research into electrical field modulation and data transmission
The Eel and Radium Jane engage in epic arm-wrestling match to determine outcome of wager
For DC comics:
Rafael Volante (original character for the DC Comics universe)
Those parts of Fiction which are copyrightable are copyright by Karl Jones (nonfiction). Where not copyrightable, I have made some effort to say why, and give credit where credit is due.