George Hackbarth

F.P. Seymour

Seymour worked at the 200 West Area at Hanford during the Manhattan Project.

C. G. Fellows

C. G. Fellows worked for the Union Carbide & Carbon Corporation.

Delmar C. Cowan

Robert M. Underhill

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