Bachelor of Arts Missouri, 1939.
Advertising Daily Democratic, Fort Madison, Iowa, 1939-1941. Safety engineer Iowa Arsonal, Burlington, 1941. President Duderstadt Constitution Company, Carrolltons, Missouri, 1945-1980.
Owner Duderstadt Stained Glass, Carrollton, since 1979.
Served to lieutenant United States Naval Reserve, 1941-1945, European Theatre of Operations, PTO. Member National Wildlife Federation, Missouri Wildlife Artists Society, Honorary Society Kentucky Colonels, National Audobon Society, Ducks Unlimited, Sigma Chi.
Married Katharine S. Johnson, April 19, 1940. Children: James J., Jane Ray, John C., Mack, Junior.