Konstantin Ivanovich Gorbatov
1876–1945, Russian post-impressionist painter.
http://www.artnet.com/artists/konstantin-ivanovich-gorbatov/
via : http://www.tuttartpitturasculturapoesiamusica.com/2015/03/Konstantin-Gorbatov.html
https://www.tuttartpitturasculturapoesiamusica.com/2020/01/Konstantin-Ivanovich-Gorbatov.html