William Louis Sonntag Jr ( 1869 - 1898 ) was an American painter. William Louis Sonntag Jr s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 5287 USD for A Grove of Trees on a Stormy Day, 1893; Ruins at Sunset, 1892 in 2003 to 36000 USD for St. Paul's Chapel, New York in 2009 , based on the size and medium of the artwork.