National Museum of Nuclear Science & History
Mary Vasaly worked for the United States Engineer District Office.
Opal Adamson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Francis Bernard “Bernie” Donlan was an American photographer and a clerk at the Chicago Met Lab during the Manhattan Project.
Harold Lichtenberger was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.