National Museum of Nuclear Science & History
Hamilton worked at the 200 West Area at Hanford during the Manhattan Project.
Winkelman worked for Stone and Webster Engineering Corporation.
Butts worked for Stone and Webster Engineering Corporation.
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.