National Museum of Nuclear Science & History
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. R. Henson worked for Clinton Laboratories at the X-10 Reactor.
Willard G. Knox served in the 603rd Air Engineering Squadron.
B. K. Coghlan, Jr. worked for the Kellex Corporation at the K-25 Plant.