National Museum of Nuclear Science & History
Clark worked in the United States Engineer District Office.
Ralph Lapp was an American physicist. He was born in Buffalo, New York in 1917. He was completing his PhD at the University of Chicago when he stumbled upon Enrico Fermi’s team working under Stagg’s Field in December of 1942, and was hired on the spot to work on the development of the atomic bomb.
Manuel Romero was a staff worker at Los Alamos during the Manhattan Project.
W. H. Rohrer worked for the Tennessee Eastman Corporation at the Y-12 Plant.