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.
Charles Mallon worked for the Kellex Corporation at the K-25 Plant.
Neeland worked at the 300 Area at Hanford during the Manhattan Project.
J. E. McKamey worked for the Edenfield Electric Company.
George worked at the 100-D Area at Hanford during the Manhattan Project.