https://www.sothebys.com/en/auctions/ecatalogue/2007/19th-century-european-paintings-am1030/lot.6.html
(#6) George Johannes Hoffmann 1833-1873
johannes hoffmann6george18331873
https://www.uni-augsburg.de/de/fakultaet/fai/informatik/prof/dsens/team/personenseite-johannes-hoffmann/
Personenseite Johannes Hoffmann
johanneshoffmann