National Museum of Nuclear Science & History
Mathis worked for Stone and Webster Engineering Corporation.
Gertrude Steel was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Chester Lang served in the 1395th Military Police Company, Aviation.
Beatrice Foreman was a laboratory technician in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Fowler worked in the United States Engineer District Office.
