Viktor Weishaupt ( 1848 - 1905 ) was a German painter. Viktor Weishaupt s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 24.72 USD for Kuhstudien in 2004 to 1787.31 USD for A pond under a cloudy sky in 2004 , based on the size and medium of the artwork.