William Grady "Bill" Addison (November 28, 1933 in Baton Rouge, Louisiana – October 29, 2008 in San Francisco) was an American chess International Master (1967).
He took second place with 7.5/11 behind Samuel Reshevsky in the 1969 US Championship and qualified for the 1970 Interzonal at Palma de Mallorca, where he finished 18th.
[1] He represented the United States in the Chess Olympiads of 1964 and 1966 (team silver medal).
[3] From 1965 to 1969 he was director of the Mechanics' Institute Chess Club.
[4] This biographical article relating to an American chess figure is a stub.