Robert John Service (born 29 October 1947) is a post-revisionist British historian, academic, and author who has written extensively on the history of the Soviet Union, particularly the era from the October Revolution to Stalin's death. He was until 2013 a professor of Russian history at the University of Oxford, a Fellow of St Antony's College, Oxford, and a senior Fellow at Stanford University's Hoover Institution. He is best known for his biographies of Vladimir Lenin, Joseph Stalin, and Leon Trotsky. He has been a fellow of the British Academy since 1998. Source: Wikipedia (en)