Ludwig Thiersch ( 1825 - 1909 ) was a German painter. Ludwig Thiersch s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 106.35 USD for Bildnis eines bärtigen Mannes in 2005 to 15600 USD for Elegant Couple Sketching and Reading by a Lake in 2013 , based on the size and medium of the artwork.