National Museum of Nuclear Science & History
Frank Alvidnes was a staff worker at Los Alamos during the Manhattan Project.
Crouthamel worked in the United States Engineer District Office.
R. E. Stapleton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Norris W. Embrey was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
