John Philipp ( 1872 - 1938 ) was a German painter. John Philipp s works have been put up for auction numerous times, with realized prices varying from 300.4 USD for Albert Einstein in 2005 to 440.59 USD for Frau mit Mühlsteinkragen und jungem Knaben auf dem Schoß. in 2007 , based on the size and medium of the artwork.