National Museum of Nuclear Science & History
George Mallinckrodt was a physicist at the Manhattan Project’s Los Alamos, NM facility. He also worked at Argonne National Laboratory, the successor of the University of Chicago’s Metallurgical Laboratory (“Met Lab”).
Donald MacMillan arrived in Los Alamos on May 14, 1944. He was an avid figure skater, and worked for Los Alamos National Laboratory for many years.
Jose Romero was a staff worker at Los Alamos during the Manhattan Project.