Richard A. Vaughn

Sidney Williams

Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Roger Cloutier

Roger Cloutier was born in North Attleborough, Massachusetts in 1930. After serving in the U.S. Navy during the Korean War, he pursued a career in health physics at the University of Massachusetts and University of Rochester.

H. A. Zweifel

Zweifel worked at the 200 East Area at Hanford during the Manhattan Project. 

W. H. Taylor