Hubert Robert ( 1733 - 1808 ) was a French painter. Hubert Robert s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 36000 USD for LANDSCAPE WITH ANTIQUE RUINS BY A RIVER in 2003 to a remarkable record 1874500 USD for The Ruins in 2012 , based on the size and medium of the artwork.