Bruno was a mathematician, philosopher, astronomer, occultist, and according to the Catholic church of 16th-century Italy, a heretic. He met a bad end because of his views, but he started out as a friar.
Research:

SYMHC Classics: Nelson Pill Hearings
38:25

Behind the Scenes Minis: Alaska and Contraceptives
28:17

The IUD: A History
44:41