National Museum of Nuclear Science & History
Robert Turner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.
Coughlin worked for 200 East Area at Hanford during the Manhattan Project.
Joe Romero was a staff worker at Los Alamos during the Manhattan Project.