Leon J. Vrana

P. B. Evans

P. B. Evans worked at the 200 West Area at Hanford during the Manhattan Project.

Sara B. Chettkow

Sara B. Chettkow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Ruth Gamble

Owen Chamberlain

Owen Chamberlain (1920-2006) was an American physicist and winner of the 1959 Nobel Prize.  He joined the Manhattan Project in 1942 after his graduate studies were interrupted by World War II.