In 1529 he became rector of the Latin school at Danzig (Gdańsk), and two years later accepted a similar post at Elbing (Elbląg).
[3] The bounty of Duke Albert of Prussia enabled him to pursue the study of medicine at Wittenberg and in Italy.
[3] After 1545 Aurifaber was physician to the Duke and professor of physics and medicine in the newly established University of Königsberg.
[3] In 1550 he married a daughter of Osiander, and became involved in the bitter controversy aroused by the latter's views on justification and grace.
Aurifaber, however, retained his influence until his death, which occurred suddenly, in the antechamber of the Duke in Königsberg, on December 12, 1559.