National Museum of Nuclear Science & History
Ellis Ryan was a staff worker at Los Alamos during the Manhattan Project.
Sykes worked for Stone and Webster Engineering Corporation.
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.
W. R. Chambers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
