National Museum of Nuclear Science & History
Louis Henry Hempelmann (1914-1993) was Director of the Health Group at the Los Alamos site of the Manhattan Project.
Bernard Voyten was a staff worker at Los Alamos during the Manhattan Project.
Celia Szapka Klemski was working as a secretary for the State Department in Washington, DC when she was transferred to Manhattan to work on the Manhattan Project in 1942.
Riser worked at the 200 West Area at Hanford during the Manhattan Project.
