Earl Bartrum Winslow ( 1884 - 1969 ) was an American painter. Earl Bartrum Winslow s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 500 USD for Four piece collection of art works in 2004 to 1920 USD for FLYING FORTRESS. 1943 in 2008 , based on the size and medium of the artwork.