National Museum of Nuclear Science & History
A. J. D’Arcy worked for the Union Carbide & Carbon Corporation.
George Mahfouz joined the Manhattan Project in 1943 when he was offered a job at the Houdaille-Hershey nickel plant in Decatur, Illinois.
James McIntosh was a draftsman at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
