National Museum of Nuclear Science & History
W. L. McKinstrey worked for the Roane-Anderson Company.
George Mahfouz joined the Manhattan Project in 1943 when he was offered a job at the Houdaille-Hershey nickel plant in Decatur, Illinois.
Glenn Sprankle worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
A. L. Johnson worked for the J.A. Johnson Construction Company.
