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.
E. L. Taliaferro worked for the Roane-Anderson Company.
C. M. Nelson worked for Clinton Laboratories at the X-10 Reactor.
Sloan worked at the 100-B Area at Hanford during the Manhattan Project.