National Museum of Nuclear Science & History
A. P. Nowlin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Staff Sergeant Edward F. O’Mara enlisted in the U.S. Army in 1942. Because of a blood condition, Army officials determined that he was not fit for combat duty.
Lieutenant General Leslie Groves (1896-1970) was a United States Army Corps of Engineers officer and director of the Manhattan Project.