National Museum of Nuclear Science & History
Hayden Rector was a contract attorney for the U.S. Army Corps of Engineers at Hanford, WA during the Manhattan Project.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
E. D. Hoynoski worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William F. Jellick served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew on the B-29 Jabit III.