National Museum of Nuclear Science & History
Clark Center was a Manhattan Project veteran, who was the general superintendent and later President of the Union Carbide Nuclear Division in Oak Ridge.
John L. Willoughby served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Bockscar.
Edward Bankowski was a part of the 509th Composite Group stationed on Tinian Island in the Pacific. Specifically, Bankowski was an Aircraft Maintenance Chief with the 603rd Air Engineering Squadron from May to November 1945.