Johann Joseph Hartmann ( 1753 - 1830 ) was a German painter. Johann Joseph Hartmann s works have been put up for auction numerous times, with realized prices varying from 8295.63 USD for Bewaldetes Tal in 2005 to 9094.01 USD for Vue de Cressier sur l'île Saint-Pierre in 2011 , based on the size and medium of the artwork.