On his arrival in Dresden in 1919, Otto Dix made contact with numerous figures in the city’s cultural circles. Hugo Erfurth was one such figure. Fifteen years old than Dix, Erfurth was by that time an established photographer and his studio welcomed the leading personalities of the German Weimar Republic. Erfurth’s interest in assembling a “gallery of heads of my time” meant that he was also keen to photograph the new generation of artists living in Dresden, who from 1920 included Dix. Slightly later it would be Dix, who also had a distinctive approach to portraiture, who portrayed Erfurth on a number of occasions (1922, 1925 and 1926). Dix and Erfurth established a close relationship based on artistic interchange, and Dix executed various portraits of Erfurth, his wife and even his dog. In turn, Erfurth immortalised Dix on numerous occasions and in different dress, together with his wife Martha, their children and.... (http://www2.museothyssen.org/microsites/otto_dix/hugo_ing.html)