National Museum of Nuclear Science & History
J. A. Armitage worked for the Union Carbide & Carbon Corporation.
Herbert L. Martin was a member of the 1st Ordnance Squadron in the 509th Composite Group in Wendover, Utah and Tinian Island in the Pacific.
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.