Thales Fielding ( 1793 - 1837 ) was a British painter. Thales Fielding s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 256.03 USD for Kilchurn Castle, Loch Awe in 2004 to 2392.19 USD for Gleaners at work on a windy summer's day in 2012 , based on the size and medium of the artwork.