National Museum of Nuclear Science & History
Seymour worked at the 200 West Area at Hanford during the Manhattan Project.
Walter M. Longfelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
G. H. Cluewett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Fay Cunningham joined the Manhattan Project in 1944 as a metallurgical engineer at the Massachusetts Institute of Technology, as part of the Special Engineer Detachment.
Gertrude Nissenbaum was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
