Johann Hahn: A Nuremberg Painter of Walls and Rivers Johann Hahn (1840-1900) wasn’t a name that echoed through the grand halls of the art world during his lifetime, yet today he stands as a quietly significant figure in 19th-century German landscape painting. Born in Nuremberg, Hahn dedicated his artistic life to capturing the essence of his city – not its opulent palaces or bustling marketplaces, but the sturdy, enduring walls that d…