Leo Jud

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Leo Jud (/dʒʌd/; also Leo Juda, Leo Judä, Leo Judas, Leonis Judae, Ionnes Iuda, Leo Keller; 1482 – 19 June 1542),^[1] known to his contemporaries as Meister Leu, was a Swiss reformer who worked with Huldrych Zwingli in Zürich.