Martin Creed ( 1968 - ) is a British painter. Martin Creed s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 15179.11 USD for WORK # 220 (DON'T WORRY) in 2009 to 158500 USD for Work No. 204: Half the air in a given space in 2012 , based on the size and medium of the artwork.