born Aachen, 14. Oct 1831
died Düsseldorf, 22. Jan 1915
1846 apprenticeship as a wood engraver and 1847-53 attendance at the art school in Cologne.
In 1856 he founded a xylographic institute in Düsseldorf, which soon developed into a leading company in Europe. Around 1880 he employed about 80 wood engravers. In 1883-87 woodcuts with views of Nuremberg were also produced in his business.(...)
quoted from the Nuremberg Künstlerlexikon, edited by Manfred H. Grieb