Robert A Nelson ( 1925 - ) is an American painter. Robert A Nelson s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 120 USD for Pirate Mouse Thinking in 2005 to 1800 USD for Minotaur Heads, T.L. and Chops and Lautrec and the Vampire in 2007 , based on the size and medium of the artwork.