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He was an artist Konstantin Wroblewski - student Kuindzhi.

Added after 7 minutes
If you are interested in a few more moments of the biography of the artist, then write that
Many attempts were made by forging paintings by Roerich. The emergence of such patterns can be traced
since about 1910. These fakes are divided into two types : some of them are forged under
typical plots of Roerich , and others - a picture of certain artists, endowed with the signature of the Roerich ,
sometimes not even quite literate. All this was done , knowing the light distribution and wide dissemination of his paintings. to
the latter type are fakes pictures of a Polish painter Ferdinand Rushitsa and Constantine Vrublevsky, under which , cleaned their signature , the signature of Roerich .
Duvernoy , Jean - Nicholas Roerich

Added after 8 minutes
My dear you have a picture, by the way.