Furthermore, Clavius trained the first generation of mathematics teachers in Rome himself, and then sent them out on the continent to cultivate their own pupils.
Clavius, a Jesuit who taught at the Collegio Romano in Rome, is often remembered as an early skeptic in the great battle over Copernicus and the heliocentric system.
Before Galileo began running balls down an inclined plane to measure changes in velocity, and before Descartes developed his coordinate system, the German Jesuit Christoph Clavius, designed the mathematics curriculum for the major universities of Europe.