Philipp Franck ( 1860 - 1944 ) was a German painter. Philipp Franck s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3288.99 USD for April morgen: swans on a lake in 2003 to 21720.58 USD for The Wannsee Garden near Berlin in 2012 , based on the size and medium of the artwork.