National Museum of Nuclear Science & History
Winfield Sylvester was a staff worker at Los Alamos during the Manhattan Project.
Paul Collins worked for the Roane-Anderson Company.
Ryan worked at the 200 West Area at Hanford during the Manhattan Project.
Greager worked at the 200 West Area at Hanford during the Manhattan Project.
Harvey Grove worked for the Tennessee Eastman Corporation at the Y-12 Plant.