John M. Campbell

Fred G. Blackwell

Fred Blackwell worked for the Tennessee Eastman Corporation at the Y-12 Plant.

John Chipman

John Chipman was an American engineer. Chipman was born in 1897 in Tallahassee, Florida. He received B.

Malvena Gilman

Malvena Gilman was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

James C. Cooper