National Museum of Nuclear Science & History
Robert E. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Donald Francis Mastick was an American chemist who worked at Los Alamos and on Tinian as part of Project Alberta.
H. W. Scott worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John W. Burr was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.
