Chester S. Krajczynski

Sarah Middleton

Frances Hawkins

Frances Hawkins (née Pockman) was an early education expert and a teacher at Los Alamos during the Manhattan Project.

O.R. Simpson

O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.

Robert M. Underhill

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