National Museum of Nuclear Science & History
Walter Johnson worked for the United States Engineer District Office.
Harold T. Dunlap served in the 603rd Air Engineering Squadron.
Lilli Hornig is a Czech-American chemist. Hornig was born on March 22, 1921 in a small town outside of Prague.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.