Complex sentence: After that, Schillebeeckx became master of the Philosophy Study House of his order in Leuven, and in 1957 he spent one year teaching Dogmatics at the Faculty of Theology, Catholic University of Leuven.
Split into simpler sentences: After that, Schillebeeckx became master of the Philosophy Study House of his order in Leuven. In this period, he spent some time teaching Dogmatics at the Faculty of Theology, Catholic University of Leuven.