National Museum of Nuclear Science & History
Barr worked for Stone and Webster Engineering Corporation.
C. Varuzzo worked for the United States Engineer District Office.
Michael Cefola was an American chemist and a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Perry worked in the 200 West Area at Hanford during the Manhattan Project.
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.
