John Cage ( 1912 - 1992 ) was an American painter. John Cage s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3600 USD for WHERE R=RYOANII in 2004 to 141453.25 USD for (11R)/5(where R=Ryoanji) in 2013 , based on the size and medium of the artwork.