Kliment Nikolaevich Red'ko or Redko (Russian: Климент Николаевич Редько, Ukrainian: Климент Миколайович Редько, Klyment Mykolayovych Redko), 15 (27) October 1897 - 18 February 1956)[1] was a Ukrainian-Russian painter-scientist, avant-garde artist (Constructivist, Projectionist, Suprematist), graphic artist.
In 1919–20 Red'ko studied in the studio of Aleksandra Ekster along with students Solomon Nikritin and Nina Genke-Meller.
During that time he participated in decorating the streets of Kiev and Odessa for Revolution festivities, in the abstract style together with Ekster and Genke-Meller.
In 1920–22 he studied painting at the Moscow Higher Artistic-Technical Workshops (VKhUTEMAS) in the class of Wassily Kandinsky.
In 1922 he participated in an exhibition of the Museum of Painterly Culture (MSCHK) in Moscow, together with Kazimir Malevich, Nikritin and Alexander Tyshler.