Theodor Dengler ( 1867 - 1903 ) was a German painter. Theodor Dengler s works have been put up for auction numerous times, with realized prices varying from 81.81 USD for Brustporträt einer Frau in dunkelblauem Kleid mit kleinem weißem .. in 2005 to 519.4 USD for unknown in 2007 , based on the size and medium of the artwork.