National Museum of Nuclear Science & History
Lemmon was a Technical Sergeant who worked at Hanford during the Manhattan Project.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Naomi Livesay French was an American mathematician. During the Manhattan Project, she worked at Los Alamos for a group in the theoretical division responsible for performing calculations in connection to the theory of implosion.
