National Museum of Nuclear Science & History
R. L. Fellers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Sappenfield worked at the 300 Area at Hanford during the Manhattan Project.
Emil J. Konopinski (1911-1990) was an American theoretical physicist. After receiving his Ph.D. from the University of Michigan, Konopinski worked as a National Research Council Fellow with Hans Bethe at Cornell University.
