National Museum of Nuclear Science & History
Twichell worked at 200 West Area at Hanford during the Manhattan Project.
R. L. Newell worked for Clinton Laboratories at the X-10 Reactor.
Herbert G. “Mac” MacPherson (1911-1993) was an American nuclear engineer. MacPherson’s expertise on graphite made him a valuable consultant for the Manhattan Project.
William Bassett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
