Alexander Nasmyth ( 1758 - 1840 ) was a British painter. Alexander Nasmyth s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3528.82 USD for A FAMILY PICNIC IN FRONT OF LOCH LEVEN CASTLE, KINROSS in 2003 to 66431.63 USD for THE CHILDREN OF WILLIAM RAMSAY OF BARNTON in 2016 , based on the size and medium of the artwork.