Rudolf Koppitz ( 1884 - 1936 ) was a German painter. Rudolf Koppitz s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 38187 USD for Bewegungsstudie (Movement Study) in 2004 to 108000 USD for Bewegungsstudie (Movement Study) in 2006 , based on the size and medium of the artwork.