Gotthardt Johann Kühl Gotthardt Johann Kuhl; Gotthard Kuehl; Kuehl; ( 1850 - 1915 ) was a German painter. Gotthardt Johann Kühl s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1224.99 USD for Fr√ºh √ºbt sich ... in 2004 to 18226.64 USD for ‚ÄûGR√úNE TRUHE (MEIN VORZIMMER)‚Äú in 2011 , based on the size and medium of the artwork