National Museum of Nuclear Science & History
Ed Helfenberger 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.
J. Bernard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Attended the City College of New York.
Tom Wood was a staff worker at Los Alamos during the Manhattan Project.
