Clyde M. Llewellyn

B. E. Evans

J. Caddell

Caddell worked for Stone and Webster Engineering Corporation.

Lester Orlan Keen

Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.

D. C. Bogart Jr.

Bogart worked in the United States Engineer District Office.