Hans Ryggen ( 1894 - 1956 ) was a Norwegian painter. Hans Ryggen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 803.12 USD for Gammelt gatestr√∏k in 2005 to 1133.05 USD for Mann med trekkspill 1937 in 2006 , based on the size and medium of the artwork.