Harold W. Zang

Robert M. Underhill

Robert Mackenzie “Bob” Underhill (1893-1988) was a finance officer for the University of California during the Manhattan Project.

Richard “Dick” H. Nelson

Richard “Dick” H. Nelson served as a private first class in the 509th Composite Group. He was the radio operator on the Enola Gay during its mission to Hiroshima.

Richard L. Roberts

Paul F. Gast

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