Robert Rafailovich Falk

1886-1958, Russia painter.
http://www.artnet.com/artists/robert-rafailovich-falk/
via : http://poramoralarte-exposito.blogspot.com/2020/09/robert-falk-1886-1958.html
http://poramoralarte-exposito.blogspot.com/2020/09/robert-falk-1886-1958_13.html
http://poramoralarte-exposito.blogspot.com/2020/09/robert-falk-1886-1958_20.html