National Museum of Nuclear Science & History
L. B. Howell 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.
Elizabeth Campbell was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Manuel Romero was a staff worker at Los Alamos during the Manhattan Project.
