Willard G. Knox

Elvin L. Krieble

Elvin Krieble worked for the United States Engineer District Office.

W.A. Rupea

Rupea worked at the 300 Area at Hanford during the Manhattan Project.

J.P. Inzer

Leroy H. Jackson

Leroy Jackson was transferred into the Manhattan District, the branch of the United States Army Corps of Engineers tasked with overseeing the construction of critical Manhattan Project sites, shortly after its formation in 1942.