He travelled with Wagner or a minister Jakob Samuel Wyttenbach in Berner Oberland and Wallis .
Wolf made a deal with the local publisher Abraham Wagner who had a geological interest , to deliver 200 paintings .
Wolf travelled with Abraham Wagner or a minister Jakob Samuel Wyttenbach in Berner Oberland and Wallis .
Wolf made a deal with the local publisher Abraham Wagner who had a geological interest , to deliver 200 paintings .