Johannes Rotach ( 1892 - 1981 ) was a Swiss painter. Johannes Rotach s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3092.39 USD for Alpfahrt in 2005 to 14622.73 USD for COWHERD'S TALLY SHEET, 1961 in 2008 , based on the size and medium of the artwork.