National Museum of Nuclear Science & History
Clarke worked in the United States Engineer District Office.
Attended the College of San Mateo.
Glen L. Custer served as a sergeant in the 603rd Air Engineering Squadron.
Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Mendl was a member of the 1st Ordnance Squadron in the 509th Composite Group stationed on Tinian Island in the Pacific.