He received the degree of MD in 1536 and remained on the faculty of medicine of Leuven for the rest of his life where, in addition to teaching medicine, he also taught mathematics, astronomy and geography.
Han blev uddannet læge i 1536 og forblev ved Leuvens medicinske fakultet resten af ​​sit liv, hvor han foruden undervisningen i medicin også underviste i matematik, astronomi og geografi.