National Museum of Nuclear Science & History
L. M. Leach worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Edward Simon worked for the Roane-Anderson Company.
Lorane Reeves worked for the J.A. Jones Construction Company.
Alvin Graves (1909-1965) was an American physicist. Graves was invited to join the University of Chicago Metallurgical Laboratory and in 1942 he accepted the position and became a member of 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.
