Kepler is a fascinating historical figure. As a non-Catholic, he had interesting and fruitful relationships with some of the early Jesuit scientists, at a time

Kepler is a fascinating historical figure. As a non-Catholic, he had interesting and fruitful relationships with some of the early Jesuit scientists, at a time of great religious tension between Catholics and Protestants. See, for example: http://www.faculty.fairfield.edu/jmac/sj/scientists/guldin.htm http://www.faculty.fairfield.edu/jmac/sj/scientists/guldin.h...