National Museum of Nuclear Science & History
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert Cornog (1912-1998) was an American physicist and engineer. When the United States entered World War II in 1941, Robert Cornog was working for the Navy on subsurface warfare and the development of ways to counter magnetic, undersea mines.
J. H. Carroll worked for the Edenfield Electric Company.
Robert Holmberg was born in Fort Dodge, Iowa, and began working on the Manhattan Project at the Chicago Met Lab and at Ames Laboratory in Iowa.