National Museum of Nuclear Science & History
Glenn Whitman was a staff worker at Los Alamos during the Manhattan Project.
M. G. Mastin worked for the Fercleve Corporation.
McDonald worked in the 200 West Area at Hanford during the Manhattan Project.
S. Schulder worked for the Union Carbide & Carbon Corporation.
Calderwood worked at the 200 East Area at Hanford during the Manhattan Project.