National Museum of Nuclear Science & History
E. S. Hoyle worked for the J.A. Jones Construction Company.
Arthur Harold Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Attended the University of Pennsylvania.
John P. McBride was a research assistant in the Chemistry Division at the Chicago Met Lab. He was later assigned to Oak Ridge, where he worked on plutonium purification and on isolating uranium-233 isotopes from thorium.
Otto Hillig was a Danish machinist who helped work on various projects in the early days of the Manhattan Project.
