Alexander Iolas, whose collection features in a sale in London on 25 May, was a visionary art dealer and pioneer in the global art market of his time. Between 1945 and 1976 he hosted numerous shows of artists including Max Ernst, Rene Magritte, Dorothea Tanning, Niki de Saint-Phalle, Takis and Lalanne in Paris, New York, Geneva, Rome, Madrid and Athens. He forged close friendships with many artists including Andy Warhol, for whom he mounted the first and last gallery exhibitions and is also credited with introducing an American audience to Surrealism. Click ahead to see highlights from the sale.
25 May 2017 London