National Museum of Nuclear Science & History
George Mahfouz joined the Manhattan Project in 1943 when he was offered a job at the Houdaille-Hershey nickel plant in Decatur, Illinois.
L. L. Larson worked for Clinton Laboratories at the X-10 Reactor.
F. C. Wierman served in the 509th Headquarters.
Lawrence Litz was a young physicist when he began working on radioactivity at the Metallurgical Laboratory at the University of Chicago.
