National Museum of Nuclear Science & History
Harrie Massey (1908-1983) was an Australian physicist. A brilliant student of physics, Massey arrived from his native Australia at Cambridge College in the United Kingdom on an academic scholarship.
Thaddeus J. Seweryniak served in the First Ordnance Squadron.
Pauline McGrath was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hayes worked in the United States Engineer District Office.
