JOHN HARTMAN ( 1950 - ) is a Canadian painter. JOHN HARTMAN s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 481.46 USD for PRESBYTERIAN APOCALYPSE in 2005 to 9786.93 USD for GILBERT AND SAINT ANNE ABOVE PERKINSFIELD WITH YELLOW TIGER LILY in 2011 , based on the size and medium of the artwork.