National Museum of Nuclear Science & History
W. E. Hall worked for the Tennessee Eastman Corporation at the Y-12 Plant.
James Downey was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harold F. Seaman served in the 603rd Air Engineering Squadron.
Fredrika Lewis was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
