National Museum of Nuclear Science & History
J. H. Graham worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Preston Veltman was an American chemist. Veltman was born in Grand Rapids, Michigan. He studied at Michigan Technological University, and earned a Ph.
Lomie F. Caho was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
