National Museum of Nuclear Science & History
E. W. Smith worked for the Union Carbide & Carbon Corporation.
James Peter Sytsma served as a private in the US Army. He was part of the Provisional Military Police Detachment No.
Mary Whidden was a staff worker at Los Alamos during the Manhattan Project.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
