Vyacheslav Tkachov
Vyacheslav Matveyevich Tkachov was a Russian pilot, general and writer.
In 1913 Tkachov became a pilot of Imperial Russian Air Service.
In 1914, Lt. Vyacheslav Tkachov became the very first Russian pilot who shot down enemy aircraft with handgun. He attacked a German "Albatros" aircraft and shot the enemy pilot.
Later, Tkachov took part in Russian Civil War.