Marion M. Villarreal

Leonard M. Tracy

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.

R. J. Osburn

R. L. Helgeson

Helgeson worked at the 300 Area at Hanford during the Manhattan Project.