National Museum of Nuclear Science & History
C. R. Frazier worked for the Poe Piping & Heating Company.
Arthur Miller, Jr. served in the 603rd Air Engineering Squadron.
V. N. Hacker worked for the J.A. Jones Construction Company.
Neil Bergen was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Raymond C. Grills is an American physical chemist who worked at the University of Chicago’s Metallurgical Laboratory and at Hanford during the Manhattan Project.
