Complex sentence: In 1963 he took a teaching position at the "Kunsthochschule Mainz" (State University of Arts and Crafts Mainz), from 1973 he worked at the Johannes Gutenberg University in Mainz, first as a lecturer and later as a professor.
Split into simpler sentences: In 1963 he took a teaching position at the "Kunsthochschule Mainz" (State University of Arts and Crafts Mainz). From 1973 he worked at the Johannes Gutenberg University in Mainz, first as a lecturer and later as a professor.