Emil Prochaska ( 1874 - 1948 ) was a Swiss painter. Emil Prochaska s works have been put up for auction numerous times, with realized prices varying from 18.13 USD for Landschaftspartie mit Bauern auf einem Kornfeld in 2009 to 754.83 USD for Weite Feldlandschaft in 2019 , based on the size and medium of the artwork.