National Museum of Nuclear Science & History
Ostdahl worked in the 200 West Area at Hanford during the Manhattan Project.
G. M. Fleetwood worked for the Fercleve Corporation.
Tranquilino Armigo was a staff member at Los Alamos during the Manhattan Project.
M. A. Corbin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Marie Sperling was a staff worker at Los Alamos during the Manhattan Project.