Pavel Tretyakov, Russian businessman and philanthropist, founded the Tretyakov Gallery (d. 1897)
Pavel Mikhaylovich Tretyakov (Russian: Па́вел Миха́йлович Третьяко́в; 27 December 1832 – 16 December 1898) was a Russian businessman, patron of art, collector, and philanthropist who gave his name to the Tretyakov Gallery and Tretyakov Drive in Moscow. His brother Sergei Tretyakov was also a famous patron of art and a philanthropist.