Alexander Von Humboldt ( 1769 - 1859 ) was a German painter. Alexander Von Humboldt s works have been put up for auction numerous times, with realized prices varying from 73.08 USD for 2 Bde Wiesbaden Steiner 195961 in 2004 to 446.4 USD for Portrait of A.v.Humboldt in 2007 , based on the size and medium of the artwork.