National Museum of Nuclear Science & History
Jas Pryor worked for the J.A. Jones Construction Company.
Jake Seligman was a staff worker at Los Alamos during the Manhattan Project.
Leon D. Smith joined the Manhattan Project in 1944 and was assigned to the 509th Composite Group at Wendover Airfield in Utah.
Daniel N. Koshland was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
