National Museum of Nuclear Science & History
Attended Manhattan College.
Ledbetter worked in the 200 East Area at Hanford during the Manhattan Project.
Frederick Ashworth (1912 – 2005) was a Vice Admiral in the US Navy. Ashworth’s work on the Manhattan Project began in 1944.
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.
Hebert worked at the 300 Area at Hanford during the Manhattan Project.