Charles Wilson Knapp ( 1822 - 1900 ) was an American painter. Charles Wilson Knapp s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 9000 USD for The Mohawk at Westerville, New York in 2005 to 24000 USD for AUTUMN ON THE LAKE in 2006 , based on the size and medium of the artwork.