National Museum of Nuclear Science & History
E. C. Sheets worked for the Fercleve Corporation.
W. E. S. Trenchard worked for the J.A. Jones Construction Company.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.
