National Museum of Nuclear Science & History
Ed Zeigler worked for the United States Engineer District Office.
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Virginia Olsson worked as a secretary (today the term would be ‘administrative assistant’) first with Colonel J.
Clarence Johnson (1912-2012) was a Canadian-born chemical engineer. He was born in Alberta, Canada on November 24, 1912 to Swedish migrant parents.
