National Museum of Nuclear Science & History
A member of the Special Engineer Detachment of the U.S. Army, Ray Stein participated in the Manhattan Project at Oak Ridge and was assigned to the Y-12 Plant.
T. J. Grogan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Fred H. Greene was an engineer who worked on the K-25 Plant in Oak Ridge, TN, for Union Carbide and Carbon.