Wilhelm Friedrich Hirt ( 1721 - 1772 ) was a German painter. Wilhelm Friedrich Hirt s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1332 USD for Paysage de la vallée du Rhin in 2006 to 7044.63 USD for A resting wayfarer; A herder and cattle resting in 2009 , based on the size and medium of the artwork.