Ivan Kliun

Self-portrait (before 1903)

Ivan Vasilievich Kliun, or Klyun, born Klyunkov (Russian: Иван Васильевич Клюн; 1 September 1873, in Bolshiye Gorky, Petushinsky District – 13 December 1943, in Moscow) was a Russian Avant-Garde painter, sculptor and art theorist, associated with the Suprematist movement.