National Museum of Nuclear Science & History
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.
Reuben McCord was a chemist who worked at several Manhattan Project sites. After graduating from Erskine College in South Carolina, he was recruited to work at the University of Chicago Metallurgical laboratory.
Vincent Ogorman was a staff worker at Los Alamos during the Manhattan Project.