National Museum of Nuclear Science & History
E. L. Robinson worked for the H. K. Ferguson Company.
Attended Pennsylvania State University.
Clark Center was a Manhattan Project veteran, who was the general superintendent and later President of the Union Carbide Nuclear Division in Oak Ridge.
Pfennig worked for Stone and Webster Engineering Corporation.
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.