Admiral Sir George Back ( 1796 - 1878 ) was a British painter. Admiral Sir George Back s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 17025.06 USD for Island Portage in 2008 to 23540.19 USD for H.M.S. Terror and one of her boats off a spectacular iceberg, apparently in the Davis Strait, between Canada and Greenland in 2011 , ba