Anatoly Aleksandrovich Sobchak (Russian: ?????´??? ??????´??????? ?????´?, IPA: [?n?'tol??j ?l??'ksandr?v??t? s?p't?ak], 10 August 1937 – 20 February 2000) was a Russian politician, a co-author of the Constitution of the Russian Federation, the first democratically elected mayor of Saint Petersburg, and a mentor and teacher of both Vladimir Putin and Dmitry Medvedev.