National Museum of Nuclear Science & History
Stanley Liebert was a machinist in the SAM Laboratory at Columbia University between 1944 and 1945.
Dorothy Isgett was a civilian worker at Oak Ridge Tennessee from 1943 to 1946.
H. R. Kroegar worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bradley Marmon is a Manhattan Project veteran. Marmon was born in New York on November 15, 1925.
