National Museum of Nuclear Science & History
J. E. Grumbach worked for the Edenfield Electric Company.
William R. Purnell (1886-1955) was a Rear Admiral in the US Navy and served as the Navy liaison on the Military Policy Committee for the Manhattan Project.
Ruth H. Anderson was a staff member at Los Alamos during the Manhattan Project. Her husband, Ralph Larsen, worked at Los Alamos as a machinist.
John Baker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
