What did both Ivan Bilibin and Mir iskusstva contribute to?
Ivan Bilibin Ivan Yakovlevich Bilibin (Russian: Ива́н Я́ковлевич Били́бин ; ] ; 16 August [O.S. 4 August] 1876 – 7 February 1942) was a 20th-century illustrator and stage designer who took part in the "Mir iskusstva", contributed to the Ballets Russes, co-founded the Union of Russian Painters (Russian: Сою́з ру́сских худо́жников ) and from 1937 was a member of the Artists' Union of the USSR. Throughout his career, he was inspired by Slavic folklore.
Vladimir Tatlin Vladimir Yevgraphovich Tatlin (Russian: Влади́мир Евгра́фович Та́тлин ; 28 December [O.S. 16 December] 1885 – 31 May 1953) was a Soviet painter and architect. With Kazimir Malevich he was one of the two most important figures in the Soviet avant-garde art movement of the 1920s, and he later became an important artist in the Constructivist movement. He is most famous for his design for "The Monument to the Third International", more commonly known as "Tatlin's Tower", which he began in 1919.