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National Museum of Nuclear Science & History

Howard B. Denman served in the 393rd Bombardment Squadron. 

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Howard T. Brewer

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Brewer worked at the 200 East Area at Hanford during the Manhattan Project. 

Bruce J. Bogardus

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Attended Pennsylvania State University.

L. L. Kallestad

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L. L. Kallestad worked for the United States Engineer District Office.

Joseph Caldwell

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Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.