Robert Burns Motherwell ( 1915 - 1991 ) was an American painter. Robert Burns Motherwell s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 902.98 USD for Chair in 2002 to a remarkable record 3666500 USD for ELEGY TO THE SPANISH REPUBLIC #122 in 2012 , based on the size and medium of the artwork.