National Museum of Nuclear Science & History
Joyce Peterson worked in the Y-12 Plant at Oak Ridge, Tennesse for the Tennessee Eastman Company from 1943 to 1945.
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.
N. F. Smyth worked for the Kellex Corporation at the K-25 Plant.
Peter Newport Bragg, Jr. served as a civilian engineer working for the U.S. Navy beginning in 1944. A brilliant chemical engineer, he volunteered for a dangerous assignment while employed by the U.