Harold N. Tenzer

Harry Bernstein

Harry Bernstein worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Raymond F. Frank

Raymond Frank was a metallurgist at the University of Chicago and stayed with the Met Lab after graduating from the university.

Dan B. Loeb

Karl D. Larsen

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.