National Museum of Nuclear Science & History
Joseph Kouba was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
James Peter Sytsma served as a private in the US Army. He was part of the Provisional Military Police Detachment No.
Ledbetter worked in the 200 East Area at Hanford during the Manhattan Project.
H. G. Kercher worked for the J.A. Jones Construction Company.
Ross worked at the 200 East Area at Hanford during the Manhattan Project.