National Museum of Nuclear Science & History
J. E. Sampson worked for the United States Engineer District Office.
Bruno Rossi (1908-1993) was an Italian physicist. Rossi was a promising young scientist when his career was redirected by politics.
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.
Karl Walther was a glassblower for Columbia University and Brookhaven National Laboratory. During the Manhattan Project, Walther worked as a senior glassblower at the Nash Garage Building at Columbia, where scientists developed the gaseous diffusion process.