National Museum of Nuclear Science & History
William Steadman was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
H. W. Allstrom worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Marstellar served in the 603rd Air Engineering Squadron.
Lieutenant General Leslie Groves (1896-1970) was a United States Army Corps of Engineers officer and director of the Manhattan Project.
