National Museum of Nuclear Science & History
R. Haywood worked for the Roane-Anderson Company.
Dr. George Marshall Lyon was an American physician who assisted with radiation safety during the Manhattan Project.
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.
J. D. Graves worked for the Tennessee Eastman Corporation at the Y-12 Plant.
