Heinrich Woldemar Rau ( 1827 - 1889 ) was a German painter. Heinrich Woldemar Rau s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1100 USD for A Mountain Landscape with a Ruin of a Castle in 2005 to 2479.13 USD for Blick auf die Hohenfeste Salzburg in 2006 , based on the size and medium of the artwork.