National Museum of Nuclear Science & History
H. G. Hoberg worked for the United States Engineer District Office.
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joseph Pappalardo was a staff worker at Los Alamos during the Manhattan Project.
Meredith worked in the 200 West Area at Hanford during the Manhattan Project.
Leon Horton served in the 393rd Bombardment Squadron.