National Museum of Nuclear Science & History
William Jacob was a staff worker at Los Alamos during the Manhattan Project.
Charles W. Hagen was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
S. D. Tatalovich worked for the United States Engineer District Office.
Dorothea “Dot” Hoover Seybolt was the wife of metallurgist Alan Seybolt, who worked at Los Alamos during the Manhattan Project.
