National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
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.
C. R. Sanford worked for the Tennessee Eastman Corporation at the Y-12 Plant.
