Columbia subject headings:
Harvard subject headings:
Atomic bomb--Soviet Union--Biography.
Kurchatov, I. V. (Igorʹ Vasilʹevich), 1903-1960.
Physicists--Soviet Union--Biography
World War, 1939-1945--Secret service--Soviet Union--Biography.
Princeton subject headings:
Kurchatov, I. V. (Igorʹ Vasilʹevich), 1903-1960.
Physicists--Soviet Union--Biography.