National Museum of Nuclear Science & History
Owen Chamberlain (1920-2006) was an American physicist and winner of the 1959 Nobel Prize. He joined the Manhattan Project in 1942 after his graduate studies were interrupted by World War II.
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.
Graydon Whitman arrived at Oak Ridge in March 1944, where he began work at the Y-12 separations facility.