National Museum of Nuclear Science & History
Ralph E. Telford worked at the Metallurgical Laboratory in Chicago during the Manhattan Project.
A. L. Morley worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Carl C. Gamertsfelder was an American physicist who worked in the field of health physics during the Manhattan Project.
Major John A. Derry was a top military assistant, mainly working in Washington D.C., during the Manhattan Project.