National Museum of Nuclear Science & History
Egbert Sudlow installed phone systems at all of the major facilities at Oak Ridge, Tennessee.
Robert Ellingson arrived in Oak Ridge in June 1943. Shortly after Ellingson arrived, however, he was informed by his employer, Tennessee Eastman, that they already had too many chemists and chemical engineers.
R. B. Jacobs worked for the Kellex Corporation at the K-25 Plant.