Question: which Russian painter and art theorist made "Das Bunte Leben" 

Context paragraphs:
Charles Le Brun: Charles Le Brun (24 February 1619 – 22 February 1690) was a French painter, art theorist, interior decorator and a director of several art school of his time.  As court painter to Louis XIV, who declared him "the greatest French artist of all time", he was a dominant figure in 17th-century French art and much influenced by Nicolas Poussin.

Leonid Isaakovich Vail: Leonid Isaakovich Vail (12 May 1883 – 23 January 1945) was a Russian Painter and art theorist.  He was born in Vinnytsia, in the Podolia Governorate of the Russian Empire (present-day Ukraine), to a family of Russian-Jewish Traders.  Vail spent his childhood in Odessa, where he graduated at Grekov Odessa Art school, later enrolling at the Imperial Academy of Arts, St.Petersburg.  Vail began painting studies (life-drawing, sketching and anatomy) at the age of 17.

Wassily Kandinsky: Wassily Wassilyevich Kandinsky ( ; Russian: Васи́лий Васи́льевич Канди́нский , "Vasiliy Vasil’yevich Kandinskiy", ] ; 4 December (16 December by the Gregorian calendar) 1866 – 13 December 1944) was a Russian painter and art theorist.

Pavel Filonov: Pavel Nikolayevich Filonov (Russian: Па́вел Никола́евич Фило́нов ; ] ; January 8, 1883 – December 3, 1941) was a Russian avant-garde painter, art theorist, and poet.

Igor Novikov (painter): Igor Alekseevich Novikov, also Igor Alexejewitsch Nowikow, (Russian: Игорь Алексеевич Новиков) (born 2 January 1961 in, Moldavian Soviet Socialist Republic) is a Swiss- Russian painter, Nonconformist Art, art theorist, philosopher, graphic artist member of the Russian Academy of Arts .

Timur Novikov: Timur Petrovich Novikov (September 24, 1958, Leningrad – May 23, 2002, St. Petersburg) was a Russian philosopher, graphic artist, designer, painter, art theorist and curator.  He is considered one of the most influential proponents of Nonconformist Art before and after the fall of the Iron Curtain in Russia.

Das Bunte Leben: "Das Bunte Leben" (The Colourful Life) is a 1907 oil painting by Wassily Kandinsky.

Marcel Janco: Marcel Janco (] , ] , common rendition of the Romanian name Marcel Hermann Iancu ] , last name also Ianco, Janko or Jancu; May 24, 1895 – April 21, 1984) was a Romanian and Israeli visual artist, architect and art theorist.  He was the co-inventor of Dadaism and a leading exponent of Constructivism in Eastern Europe.  In the 1910s, he co-edited, with Ion Vinea and Tristan Tzara, the Romanian art magazine "Simbolul".  Janco was a practitioner of Art Nouveau, Futurism and Expressionism before contributing his painting and stage design to Tzara's literary Dadaism.  He parted with Dada in 1919, when he and painter Hans Arp founded a Constructivist circle, "Das Neue Leben".

Joseph Vladimirov: Joseph Vladimirov (Russian: Иосиф Владимиров ) (active 1642-1666) was a Russian painter and art theorist of the 17th century.

Kandinsky (disambiguation): Wassily Kandinsky (1866–1944) was a Russian painter and art theorist.

Supporting paragraphs: Das Bunte Leben Wassily Kandinsky
Answer: Wassily Wassilyevich Kandinsky