National Museum of Nuclear Science & History
Royden Johannesson worked for the United States Engineer District Office.
Harvey Matthioson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Kirk worked in the 300 Area at Hanford during the Manhattan Project.
George Hyde was a chemist assigned to the Y-12 Plant in Oak Ridge, Tennessee from February 1944 to the end of the war.
