Albert Einstein with Max Liebermann, Aristide Maillol, and Renee Sintenis in the garden of Hugo Simon's home in Berlin.

From left to right: Unknown woman, ArisDigital ImageAristide Maillol was a French sculptor, painter, and printmaker.Renee Sintenis was a German sculptor, engraver, and illustrator.Max Liebermann was a German painter and graphic artist. He was a key figure of German Impressionism and the Berlin Secession.Simon Hugo was a wealthy German-Jewish banker. His house on Drakestrasse was a center for art and culture, visited by a number of intellectuals, writers, artists, and other connections. Hugo later sold off parts of his art collection to help finance operation to aid refugees in France. Hugo emmigrated to Brazil to escape Nazi persecution, eventually settling in São Paulo. At one point he owned a silkworm farm