National Museum of Nuclear Science & History
Calkins worked at the 200 West Area at Hanford during the Manhattan Project.
A. T. Helgerson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Herman Blair worked for Clinton Laboratories at the X-10 Reactor.
Louis Henry Hempelmann (1914-1993) was Director of the Health Group at the Los Alamos site of the Manhattan Project.
William Feldman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
