John Stewart ( 1919 - 2017 ) was a British painter. John Stewart s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 163.74 USD for Eggplant, Pear and Apples in 2017 to 16992.93 USD for MUHAMMAD ALI, FIST & ARM, CHICAGO in 2019 , based on the size and medium of the artwork.