Keith began careening early in life at North side High School in Fort Wayne Indiana. After his graduation he joined the US Navy Air Corps, and was assigned to fly combat missions in the South Pacific until WWII ended. Following his discharge he enrolled in Butler University in Indianapolis, and attended John Herron Art School. Graduating with a degree in Journalism he worked at the Indianapolis News and Times. Keith later started an ad agency and has written and illustrated many books, worked as a syndicated cartoonist, and many other creative endeavors.