National Museum of Nuclear Science & History
M. M. MacDonald worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Waldo E. Cohn was an American biochemist who worked in health physics and isotope separation during the Manhattan Project.
Nellie Jennings was a laboratory assistant at the Metallurgical Laboratory at the University of Chicago during the Manhattan Project.
A. L. DeSpain worked at the 200 East Area at Hanford during the Manhattan Project.
