National Museum of Nuclear Science & History
John Baker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Willard Clark was born in Boston in 1910, but grew up in Buenos Aires, Argentina, where his father was President of the General Motors Argentina Branch.
Chalgren worked at the 200 West Area at Hanford during the Manhattan Project.
Brumbelow worked at Los Alamos during the Manhattan Project.