National Museum of Nuclear Science & History
M. S. Headley worked for the J.A. Jones Construction Company.
G. A. Nichols worked for the United States Engineer District Office.
John Streib was a staff worker at Los Alamos during the Manhattan Project.
George Moulton was an American chemical metallurgist. After receiving his bachelor’s degree in chemistry from Drury College, he began conducting research on radioactive metals at Iowa State.