Jack Hartpence

William E. Holder

Lloyd F. Craver

Dr. Lloyd F. Craver was a consultant for the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Florence Rains

Florence Rains worked for the Tennessee Eastman Corporation at the Y-12 Plant.

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.