Alberech Ralf Winckler Penck ( 1939 - 2017 ) was a German painter. Alberech Ralf Winckler Penck s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 474 USD for A woman in 2002 to a remarkable record 216511.92 USD for Landung auf einem Planeten in 2017 , based on the size and medium of the artwork.