1913 Hedy Lamarr – Vienna-born actress (Sampson and Delilah, Algiers, White Cargo) Lamarr and composer George Antheil co-invented a radio guiding system for torpedoes.

From what I've read, she had a sort of lab set up in her home and was always inventing things or just working on ideas.

1995 Bill Watterson announced he would end the comic strip Calvin and Hobbes as of December 31st.

Yes, it was a sad day. But - thanks to you, Jay, we can still enjoy them every Monday.