National Museum of Nuclear Science & History
John Leahy worked for the United States Engineer District Office.
Ernest K. Clark served in the 1st Ordnance Squadron.
Waldo E. Cohn was an American biochemist who worked in health physics and isotope separation during the Manhattan Project.
Rose Wildman Ketz was an army captain at Los Alamos during the Manhattan Project. Prior to joining, she studied at George Washington University.
