National Museum of Nuclear Science & History
Leslie Seward worked for the United States Engineer District Office.
Smith worked at the 100-B Area at Hanford during the Manhattan Project.
Waldo E. Cohn was an American biochemist who worked in health physics and isotope separation during the Manhattan Project.
Hoylande Young Failey was a senior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Attended the University of Minnesota.