Johann Michael Wittmer ( 1802 - 1880 ) was a German painter. Johann Michael Wittmer s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 24065.46 USD for Das Dankopfer Noahs in 2007 to 27807.14 USD for Saint Boniface Felling Donar's Oak in 2014 , based on the size and medium of the artwork.