National Museum of Nuclear Science & History
M. H. Bradford worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hinkson worked at the 300 Area at Hanford during the Manhattan Project.
Dr. Karl Larsen worked at Massachusetts Institute of Technology during the Manahattan Project. While there, he conducted heavy-water research by spectrum analysis, which was one of the prerequisites to the early atomic bombs.
W. H. Jennens worked for the Tennessee Eastman Corporation at the Y-12 Plant.