Events
- Apollo 16 lands on the moon [1972]
- First human organ replacement [1951]
- Vitaphone process – add sound to film – announced [1926]
- Radium chloride refined by Marie and Pierre Curie [1902]
- Secchi disk demonstrated [1865]
- Theory of spontaneous generation proven false [1862]
- Rare Sun Dog phenomenon observed in Stockholm [1535]
Birthdays
- David Filo [1966]
Co-founder of Yahoo! - Slavoljub Eduard Penkala [1871]
Inventor of the mechanical pencil
Death Anniversaries
- Fred Fish [2007]
Computer programmer - Kathleen Antonelli [2006]
One of the 6 original programmers of the ENIAC - Rudolph Dirks [1968]
American pioneer of comic strips - Giuseppe Peano [1932]
Founder of mathematical logic and set theory - Karl Ferdinand Braun [1918]
Builder of the first cathode-ray tube - Bram Stoker [1912]
Author of 'Dracula' - Chauncey Jerome [1868]
Inventor of the Brass & Glass clock