Karl Heyden ( 1845 - 1933 ) was a German painter. Karl Heyden s works have been put up for auction numerous times, with realized prices varying from 974.03 USD for Bildnis einer jungen Frau am Brunnen in 2004 to 1087.87 USD for Zwei Damen lauschen einem Herrn beim Vortragen aus einem Buch in 2005 , based on the size and medium of the artwork.