George Raab ( 1866 - 1943 ) was an American painter. George Raab s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 60 USD for But Not the Hippopotamus in 2005 to 1908.86 USD for Kaiser Franz Joseph I. von Österreich (1830-1916) in 2014 , based on the size and medium of the artwork.