Issachar Ber Ryback (2 February 1897, in Yelisavetgrad, Russian Empire (today Kropyvnytskyi, Ukraine) – December 22, 1935, in Paris) was a Jewish-Ukrainian-French painter. Rybak was a contemporary of Jewish-Russian artists Natan Issajewitsch Altman, Boris Aronson and Marc Chagall, who transmitted th