National Museum of Nuclear Science & History
N. F. Smyth worked for the Kellex Corporation at the K-25 Plant.
Coughlin worked for 200 East Area at Hanford during the Manhattan Project.
Charles Tardiff worked for the Kellex Corporation at the K-25 Plant.
George Mahfouz joined the Manhattan Project in 1943 when he was offered a job at the Houdaille-Hershey nickel plant in Decatur, Illinois.
