He became friends with the Impressionists Edgar Degas , Claude Monet , Pierre-Auguste Renoir , Alfred Sisley , Paul Cézanne and Camille Pissarro through another painter , Berthe Morisot , who was a member of the group and drew him into their activities .
The main artists who are called `` Impressionists '' include Claude Monet , Auguste Renoir , Paul Cézanne , Camille Pissarro , Alfred Sisley , Edgar Degas and Berthe Morisot .