National Museum of Nuclear Science & History
Charles Mayette worked for Hanley & Company.
G. E. Johnson worked for the United States Engineer District Office.
Joanna Brumfiel was a stenographer 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.
J. L. Patterson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
