National Museum of Nuclear Science & History
N. B. Walsh worked for the United States Engineer District Office.
G. P. Happ worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Major John A. Derry was a top military assistant, mainly working in Washington D.C., during the Manhattan Project.
Mary Alice Nachtrieb was a chemist who worked at Los Alamos during the Manhattan Project. Her speciality was in plutonium chemitsry.
