Harold Laurence Gregor ( 1929 - ) is an American painter. Harold Laurence Gregor s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1000 USD for Seurat's Circus Barker as Seurat Should Have Done It'', in 2005 to 9500 USD for Illinois Landscape #34 in 2009 , based on the size and medium of the artwork.