The All-Union Art Exhibition Dedicated to the 40th Anniversary of the Great October Socialist Revolution was one of the largest art exhibitions in Soviet history. Exhibition took place in Manezh Exhibition Hall from November 5, 1957, to May 1958.

Nikolai Efimovich Timkov was a Soviet Russian painter, Honored Artist of Russian Federation, and a member of the Saint Petersburg Union of Artists. He lived and worked in Leningrad and is regarded as one of the leading representatives of the Leningrad School of Painting, worldwide known for his landscape paintings.