sentences:  He was the director of the Austrian State Printing House, which created illustrated volumes of scientific interest and produced many advances in printing technology.His name, in the full title of the hereditary knighthood he was given, is Alois Auer Ritter von Welsbach (Knight of Welsbach).Born in Wels, Austria, Auer was trained as a compositor, and in his leisure moments studied French, Italian, English, and other languages, in which he underwent an examination in 1835 and 1836 at the University of Vienna.