William Farel
William Farel (French: Guillaume Farel [ɡijom faʁɛl]; 1489 – 13 September 1565) was a French evangelist, Protestant reformer and a founder of the Reformed Church in French-speaking Switzerland. He is most often remembered for having persuaded John Calvin to remain in Geneva in 1536, and for persuading him to return there in 1541, after their expulsion in 1538.