National Museum of Nuclear Science & History
Robert Schwerin was drafted shortly before the end of the war, in 1945. Following the war, he re-enlisted to avoid being put on a desk job.
Jack Keen is the son of Lester Orlan Keen, an engineering draftsman at Hanford during the Manhattan Project.
Mollie Sprio was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.