Joseph Hermann Waser ( 1901 - 1994 ) was a Swiss painter. Joseph Hermann Waser s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 42.47 USD for Weiblicher Rückenakt in 2004 to 849.47 USD for Stillleben mit Sonnenblumen in 2004 , based on the size and medium of the artwork.