National Museum of Nuclear Science & History
Velva Irwin worked as a Calutron girl at the Y-12 Plant at Oak Ridge, TN. She was only 16 when she began working on the Manhattan Project.
Russell McNutt (1914-2008) was a civil engineer for the Kellex Corporation and Soviet atomic spy. Both studying engineering in New York, McNutt befriended Julius Rosenberg, one of the most well-known Soviet spies and recruiters.
Blalock worked for Stone and Webster Engineering Corporation.