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.
Willard G. Knox served in the 603rd Air Engineering Squadron.
Glenn Volk was a staff worker at Los Alamos during the Manhattan Project.
Rau worked for Stone and Webster Engineering Corporation.
Swanson worked at the 100-D Area at Hanford during the Manhattan Project.