National Museum of Nuclear Science & History
Grafton worked in the United States Engineer District Office.
Bradie F. Shannon worked for the J.A. Jones Construction Company.
Peter Newport Bragg, Jr. served as a civilian engineer working for the U.S. Navy beginning in 1944. A brilliant chemical engineer, he volunteered for a dangerous assignment while employed by the U.
David L. Hill was an associate experimental physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
