Columbia subject headings:
Harvard subject headings:
Atomic bomb--History
Nuclear physicists--Germany--Biography.
Nuclear physicists--Great Britain--Biography.
Nuclear physics--History
Physicists--Biography
Simon, F. E. (Francis Eugene), 1893-1956.
Princeton subject headings:
Nuclear physicists--Germany--Biography.
Nuclear physicists--Great Britain--Biography.
Nuclear physics--History.
Simon, F. E. (Francis Eugene), 1893-1956.