National Museum of Nuclear Science & History
Barrett worked for Stone and Webster Engineering Corporation.
John Kenyon Kinnear, Sr. was raised in Brooklyn, NY. He joined the Army and because he was a tool and die maker, he was assigned to the Manhattan Project.
Ralph R. McCoy served in the 393rd Bombardment Squadron.
E. C. McAdoo worked for the Roane-Anderson Company.
Walter R. Julek was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.