Jack Stewart (January 27, 1926 – March 4, 2005) was an American artist. Born in Atlanta, Georgia, he began private art lessons when he was seven. When he was about nine he went to classes at the High Museum of Art. In his early to mid-teens he apprenticed to the sculptor/painter Steffen Thomas. During WWII he served in Patton's Third Army as a combat infantryman, entering combat in the Battle of the Bulge. After the war he earned a BFA degree at Yale University, where he studied with Josef Albers and Willem de Kooning. He studied architecture at Columbia University and later earned MA and Ph.D. degrees at New York University. In 1976 Stewart married painter and art administrator Regina Serniak Stewart. His first wife and their son are deceased.