Oliver Dennett Grover ( 1861 - 1927 ) was an American painter. Oliver Dennett Grover s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3450 USD for Grinnell Mountain Lake McDermott, Montana in 2004 to 20315 USD for On the balcony in 2004 , based on the size and medium of the artwork.