National Museum of Nuclear Science & History
James Peter Sytsma served as a private in the US Army. He was part of the Provisional Military Police Detachment No.
Helen J. Arson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Felix DePaula was born in Brooklyn, New York on June 3, 1926. He was drafted into the U.S. Army in 1944, and placed in the Army Corps of Engineers.
Mearns worked in the 100 D Area at Hanford during the Manhattan Project.
