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:

Behind the Scenes Minis: Carry-on Bags
28:38

Gustave Flaubert and the ‘Madame Bovary’ Trial
45:15

Elizabeth Bisland, Beyond the Trip Around the World
42:54