William Franklin Jackson ( 1850 - 1936 ) was an American painter. William Franklin Jackson s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 8250 USD for flower fields in coastal landscape in 2004 to 43920 USD for Early Spring, Sonoma (California Poppies and Lupine) in 2009 , based on the size and medium of the artwork.