Richard Sorge was a German journalist and Soviet military intelligence officer who was active before and during World War II and worked undercover as a German journalist in both Nazi Germany and the Empire of Japan. His codename was "Ramsay" (Рамза́й).

Main Intelligence Directorate, abbreviated GRU, was the foreign military intelligence agency of the General Staff of the Soviet Armed Forces until 1991. For a few months it was also the foreign military intelligence agency of the newly established Russian Federation until 7 May 1992 when it was dissolved and the Russian GRU took over its activities.