National Museum of Nuclear Science & History
Joseph Pellet was a staff worker at Los Alamos during the Manhattan Project.
H. R. Grady worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Samual Watson was a machinist from Kirksy, Kentucky employed at Oak Ridge, Tennessee during the Manhattan Project.
Jim Johnson was an ordnanceman at Los Alamos from 1944 to 1945. He was born on January 8, 1926, and started work at the Naval Ordnance Test Station at China Lake, Califiornia in 1944.