Sergei Osipov was born on September 22, 1915 in the village of Stepankovo, Bezhetsk County, Tver Province. n 1941-1945 Ovchinnikov took part in the Great Patriotic War, which led the Soviet people against Nazi Germany and its allies. He was wounded and marked by military awards. He volunteered to go to the Red Army and participated in battles at Leningrad. In December 1941, under the demining of passes for the upcoming battalion sailors from Kronshtadt to the Old Peterhoff he was seriously injured, lost a leg. More than a year he spent in the hospital for treatment. He was awarded with many orders and medals. In 1943 Sergei Osipov graduated from the Repin Institute of Fine Arts, the workshop of Alexander Osmerkin. He studied with Semyon Abugov, Mikhail Bernshtein, Henry Pavlovsky. Participated in exhibitions since 1945. Member of the Leningrad Union of Artists  since 1945. He painted landscapes, views of ancient Russian cities, still-lifes, portraits, genre compositions. He taught at the Department of General Painting of the Leningrad Art Museum named after V.I. Mukhina (1949-1979). Personal exhibitions in Moscow (1983) and Leningrad (1990). Works by Sergei Osipov are in the State Russian Museum, the State Tretyakov Gallery, in museums and private collections in Russia, the United States, Britain, France and other countries.