National Museum of Nuclear Science & History
H. W. Caldwell worked for the Edenfield Electric Company.
Attended Michigan State University.
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.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
