Nicholas Heerema

J. R. Johnson

H. C. Elliott

H. C. Elliott worked for the Tennessee Eastman Corporation at the Y-12 Plant.

John Willard

John Willard was a research associate at the Chicago Met Lab during the Manhattan Project.

Leslie R. Groves

Lieutenant General Leslie Groves (1896-1970) was a United States Army Corps of Engineers officer and director of the Manhattan Project.