He is survived by Patricia Foster (wife), Anthony Foster (brother), William Foster III (son), David Foster (son), Amelia Foster (daugther in-law), Kimberle Wilson (daughter), Courtney Wilson (granddaughter), Evan Wilson (grandson), Nathaniel Foster (grandson), Collin Wilson (grandson), Sabrina Foster (granddaughter), and Chesna Foster (niece).
He had a love for playing competitive bridge, chess, and checkers. He also enjoyed playing the piano and riding his motorcycles. He will be remembered as a wonderful provider for his family and brilliant physicist.