National Museum of Nuclear Science & History
M. A. Campbell worked for the Roane-Anderson Company.
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.
George Royster was a civilian physicist working at the X-10 graphite reactor in Oak Ridge, Tennessee.
Antonio Tapia was a staff worker at Los Alamos during the Manhattan Project.
