National Museum of Nuclear Science & History
John Sommer worked for the Roane-Anderson Company.
Clarence Signaigo was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Bradford worked at the 300 Area at Hanford during the Manhattan Project.
Madeleine Sciofo was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John L. Sherwood served in the 603rd Air Engineering Squadron.
