National Museum of Nuclear Science & History
B. B. Bowie worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Walter M. Longfelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gertrude Steel was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Marion Mandel was a laboratory technician in the Health Division at the University of Chicago Met Lab.
