National Museum of Nuclear Science & History
Patterson worked in the 100 B Area at Hanford during the Manhattan Project.
William S. Johnston was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Nelson worked at the 300 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.