Fritz Gartner ( 1882 - 1958 ) was a German painter. Fritz Gartner s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 46.08 USD for study of a windmill in 2005 to 5021.63 USD for Schwebebahn. The Cologne Cathedral at night, under the backdrop of a futuristic Schwebebahn in 2012 , based on the size and medium of the artwork.