Peter Fischli & David Weiss ( 1946 - ) is a Swiss painter. Peter Fischli & David Weiss s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 18000 USD for Untitled (Berlin, Tegel), in 2005 to a remarkable record 845070.42 USD for Der Lauf der Dinge in 2008 , based on the size and medium of the artwork.