National Museum of Nuclear Science & History
R. C. Hutcherson worked for the J.A. Jones Construction Company.
Preston Veltman was an American chemist. Veltman was born in Grand Rapids, Michigan. He studied at Michigan Technological University, and earned a Ph.
Harold Fidler was an Army major and a civil engineer for the Corps of Engineers. Fidler began working at the Radiation Laboratory at Berkeley with Ernest O.
Homer M. O’Callaghan served in the 1st Ordnance Squadron.
