National Museum of Nuclear Science & History
Juan Romero was a staff worker at Los Alamos during the Manhattan Project.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Fowler worked for Stone and Webster Engineering Corporation.
Edwin McMillan (1907-1991) was an American physicist and winner of the 1951 Nobel Prize in Chemistry.
