William Craig (November 13, 1918[1] – January 13, 2016) was an American academic and philosopher, who taught at the University of California, Berkeley, in Berkeley, California.

His research interests included mathematical logic, and the philosophy of science,[2] and he is best known for the Craig interpolation theorem.

William Craig was born in Nuremberg, Weimar Republic, on November 13, 1918.

He married Julia Rebecca Dwight Wilson and had four children: Ruth, Walter, Sarah, and Deborah.

Craig is particularly remembered in two theorems that bear his name: