He served in the United States Marine Corps and was president of the Association of American Editorial Cartoonists .
A former mathematician and automobile assembly line worker , Keefe was educated at the University of Missouri -- Kansas City and attended Stanford University on a journalism fellowship .
Keefe served in the United States Marine Corps and was president of the Association of American Editorial Cartoonists .
A former mathematician and automobile assembly line worker , Keefe was educated at the University of Missouri -- Kansas City and attended Stanford University on a journalism fellowship .