Rosler has lectured extensively, nationally and internationally. She has lectured and toured many U.S. colleges to teach literature. They shared an admiration for Kierkegaard, and in the 1930s, Heidegger lectured extensively on Nietzsche. After graduating she lectured in political studies at the university. He has widely lectured internationally, especially in Latin America. He also lectured at Oxford, and unsuccessfully sought a teaching position there. He has regularly lectured at Darmstadt since 1978. He has also lectured at Harvard Law School. Erhard has lectured at universities and organizations worldwide. He has lectured on mathematics and musical theater. During this period, he also lectured in economics at Glasgow. He lectured, frequently to record crowds, at universities across North America. He has lectured widely in North America. The following year he lectured on mathematics at the university. His father lectured in law at the University of Adelaide.