National Museum of Nuclear Science & History
Gay Lingley worked for the United States Engineer District Office.
H. L. Weiss served in the 509th Headquarters.
Graydon Whitman arrived at Oak Ridge in March 1944, where he began work at the Y-12 separations facility.
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.
