National Museum of Nuclear Science & History
O. L. Maddox worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Evelyn Ellingson arrived in Oak Ridge in early 1943 when many of the site’s facilities were still being constructed.
N. N. Barwick worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Frederick A. Zenz was a chemical engineer, and received a B.A. in Chemistry from Queens College. He then earned his M.
