National Museum of Nuclear Science & History
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. Buford Winn worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. D. Ellett worked at the 200 West Area at Hanford during the Manhattan Project.