National Museum of Nuclear Science & History
G. F. Nellett worked for the Fercleve Corporation.
S. C. Barnett worked for the Union Carbide & Carbon Corporation.
Donald Ames joined the Manhattan Project as a G.I. at the University of Chicago in 1943. Ames worked under Nobel Prize chemist Glenn Seaborg at the Metallurgical Laboratory, where he helped determine the chemical properties of plutonium and developed a rapid method for measuring the radium concentration in solutions.