William Roth Kohn ( 1931 - ) is an American painter. William Roth Kohn s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 150 USD for Pipes in 2004 to 3500 USD for PONT DE LA TOURNELLE DE L'ILE DE ST. LOUIS, 1995 in 2008 , based on the size and medium of the artwork.