Jaan Anvelt, Estonian theorist and politician (b. 1884)
Jaan Anvelt (also known by the pseudonyms Eessaare Aadu, Jaan Holm, Jaan Hulmu, Kaarel Maatamees, Onkel Kaak; in Russian Ян Анвельт or Н. Альтъ; 18 April 1884 – 11 December 1937), was an Estonian Bolshevik revolutionary and writer. He served the Russian SFSR, was a leader of the Communist Party of Estonia, the first premier of the Soviet Executive Committee of Estonia, and the chairman of the Council of The Commune of the Working People of Estonia (Estonian Eesti Töörahva Kommuun). Imprisoned during Joseph Stalin's Great Purge in 1937, he died from the injuries sustained during a beating by Aleksandr Langfang while in NKVD custody.