Complex sentence: In Geneva, his ministry both attracted other Protestant refugees and over time made that city a major force in the spread of Reformed this renowned for his teachings and writings, in particular for his Institutes of the Christian Religion.
Split into simpler sentences: In Geneva, his ministry both attracted other Protestant refugees and over time made that city a major force in the spread of Reformed theology. He is renowned for his teachings and writings, in particular for his Institutes of the Christian Religion.