Johann Gottlieb Hackert ( 1744 - 1773 ) was a German painter. Johann Gottlieb Hackert s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3270.29 USD for LE TEMPLE DE LA MINERVA MEDICA A ROMA in 2004 to 9004.28 USD for Italienische Landschaften mit Hirten und Bauern in 2007 , based on the size and medium of the artwork.