National Museum of Nuclear Science & History
William E. Egger served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Necessary Evil.
Caldwell worked at the 200 West Area at Hanford during the Manhattan Project.
Clara worked at Los Alamos 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.
