A German mystic, born in Strasburg, bred a monk of the Dominican order, had, along with the rest of his order, to flee the city, and settled in Basel, became a centre of religious life there, and acquired repute as one of the most eloquent preachers of the day; his sphere was not speculative thought but practical piety, and his "Sermons" take rank among the aboriginal monuments of German prose literature (1300-1361).