Main (Thompson) Library location: Class of '51 Reading Room. Originally from the town of Kempten, Germany, Jacobus Wolff von Pforzheim (c. 14-- – 1518) settled in Basel and began printing in 1488. Little is known about his early career and education; records show, however, that von Pforzheim may have been closely involved with the Carthusians of Basle. The first work attributed to him is a folio entitled Quadragesimale de floribus Sapientiae from 1488. In 1497, von Pforzheim employed four apprentices to accommodate his growing business. He printed both religious and classical literature, with books including the Sermones of various saints and Church figures, the works of Albertus Magnus, and Fabulae by Aesop. Von Pforzheim's mark is an angular symbol, comprised of two conjoined chevrons, with one inverted, surmounted by a four-mark. This mark, an emblem of von Pforzheim's business and printing press, was usually paired with the Arms of Basel. Both insignias appear on shields presented by a large, melancholic angel.