Born:
Robert Van de Graaff, Alabama, physicist, Mobility of Gaseous Ions
More Notable Birthdays on December 20:
1957 - Billy Bragg, singer and songwriter
1946 - Patti Smith, singer and songwriter
1946 - Uri Geller, Israel, psychic, bends forks
1946 - Sonny Perdue, American Politician
1917 - David Bohm, American Scientist
