Friedrich Kallmorgen ( 1856 - 1924 ) was a German painter. Friedrich Kallmorgen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4078.12 USD for DAMPFER MIT SCHLEPPER (THE HARBOUR OF HAMBURG in 2003 to 55838.47 USD for Die Schule ist aus in 2017 , based on the size and medium of the artwork.