Portrait of Adele Bloch-Bauer I is a 1907 painting by Gustav Klimt. According to press reports it was sold for US$135 million to Ronald Lauder for his Neue Galerie in New York City in June 2006, which made it at that time the List of most expensive paintings|most expensive painting for about 4 months. It has been on display at the gallery since July 2006. The painting Klimt took three years to complete the painting. It measures 138 x 138 cm and is made of oil and gold on canvas, showing elaborate and complex ornamentation as seen in the Jugendstil style. Klimt was a member of the Vienna Secession, a group of artists that broke away from the traditional way of painting. The picture was painted in Vienna and commissioned by Ferdinand Bloch-Bauer.Ferdinand Bloch-Bauer was born Ferdinand Bloch, the son of David Bloch (also known as Abraham Bloch), a banker and sugar factory owner and his wife Marie, née Straschnow. Ferdinand married Adele Bauer, the daughter of Moritz Bauer (director of the Vienna bank Wiener Bankverein) and his wife Jeanette, née Honig. When Ferdinand married Adele, both adopted the surname Bloch-Bauer. As a wealthy industrialist who had made his fortune in the sugar industry, he sponsored the arts and favored and supported Gustav Klimt. Adele Bloch-BauerHer name is pronounced as in German language|German. became the only model who was painted twice by Klimt when he completed a second picture of her, Adele Bloch-Bauer II, in 1912.