Dennis Oppenheim ( 1938 - 2011 ) was an American painter. Dennis Oppenheim s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3694.58 USD for STUDY FOR ABOVE THE WALL OF ELECTROCUTION ANIMAL MASKS in 2007 to 35000 USD for Reading Position for Second Degree Burn in 2011 , based on the size and medium of the artwork.