James Alexander Walker ( 1831 - 1898 ) was a British painter. James Alexander Walker s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3264.02 USD for French Dragoons in the snow in 2005 to 48258.18 USD for Napoleon watching the Battle of Friedland 1807 in 2007 , based on the size and medium of the artwork.