Sebastian Castellio

Sebastian Castellio
Born1515
Died29 December 1563(1563-12-29) (aged 47–48)
NationalityFrench
Occupation(s)Preacher, professor, theologian, translator
Notable workDe haereticis, an sint persequendi
Theological work
Notable ideasFreedom of thought
Commemorative plaque in Basel

Sebastian Castellio (also Sébastien Châteillon, Châtaillon, Castellión, and Castello; 1515 – 29 December 1563) was a French preacher and theologian; and one of the first Reformed Christian proponents of religious toleration, freedom of conscience and thought.