National Museum of Nuclear Science & History
W. W. Johnson worked for the Kellex Corporation at the K-25 Plant.
Robert Schrader was completing his PhD in chemical engineering at MIT when he was selected to work on the Manhattan Project in Boston.
J. D. Renfroe worked for Clinton Laboratories at the X-10 Reactor.
John R. Kelleher served in the 1st Ordnance Squadron.