Dr. Hans Otto Carl Wendland (born 28 December 1880) was a German art dealer who was implicated in the trade in art looted by the Nazi regime during World War II. Among his key contacts were the French industrialist and collaborator Achille Boitel, Hugo Engel, Allen Loebl, Yves Perdoux and others in Paris and Charles Montag, Théodore Fischer, Alexander von Frey and Albert Skira in Switzerland. Source: Wikipedia (en)