Georgi Valentinovich Plekhanov (Russian: Гео́ргий Валенти́нович Плеха́нов, IPA: [ɡʲɪˈorɡʲɪj vəlʲɪnʲˈtʲinəvʲɪtɕ plʲɪˈxanəf] ; 11 December [O.S. 29 November] 1856 – 30 May 1918) was a Russian revolution...