b. Mainz (Germany), 1752 (?), d. Graz (Styria), Nov. 12, 1826, bookprinter. Learned his profession under J. T. von Trattner in Vienna, founded 1781 his own printing office in Graz, bought the Leuzendorfer paper mill in 1793 and expanded the printing office and the publishing house. The resulting companies still exist today. Leykam AG).