National Museum of Nuclear Science & History
Manuel Romero was a staff worker at Los Alamos during the Manhattan Project.
Horace Mahorney was a chemical engineer at the Y-12 plant in Oak Ridge, Tennessee. From September 1943 to November 1945, Mahorney was an operator of the mass spectrometer with Dr.
Geoffrey Chew was an American physicist. Born and raised in Washington, DC, Chew graduated from high school at the age of 16.
