National Museum of Nuclear Science & History
S. L. Ashburn worked for the Roane-Anderson Company.
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.
Riser worked at the 200 West Area at Hanford during the Manhattan Project.
Cornelius worked in the United States Engineer District Office.