National Museum of Nuclear Science & History
Edward P. Hayes was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Kenneth C. Ferst served in the 603rd Air Engineering Squadron.
Coughlin worked for 200 East Area at Hanford during the Manhattan Project.
Treadwell worked at the 100-B and 100-D Areas at Hanford during the Manhattan Project.
