National Museum of Nuclear Science & History
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Pearl Jones worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gerlach worked at the 100-D Area at Hanford during the Manhattan Project.
Clark Center was a Manhattan Project veteran, who was the general superintendent and later President of the Union Carbide Nuclear Division in Oak Ridge.