National Museum of Nuclear Science & History
Attended the City College of New York.
Juan Romero was a staff worker at Los Alamos during the Manhattan Project.
Marion Edward Cieslicki was an Polish American metallurgist who worked on the Manhattan Project from 1944 to 1946 at the University of Chicago and at Los Alamos.
Grinus worked at the 100 F Area at Hanford during the Manhattan Project.