Simon Joseph Alexander Clemens Denis ( 1755 - 1813 ) was a Flemish painter. Simon Joseph Alexander Clemens Denis s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 45000 USD for A RIVER LANDSCAPE WITH AN APPROACHING STORM, FIGURES RUNNING IN THE FOREGROUND in 2004 to 242500 USD for VIEW OF MONTICELLI, NEAR TIVOLI in 2013 , based o