Complex sentence: He then joined the neurobiology section of the Max-Planck-Institute for Biophysical Chemistry in Göttingen until he became, in 1987, Professor of Computer Science, Neuroscience, Physics and Psychology at the University of Southern California in Los Angeles.
Split into simpler sentences: He then joined the neurobiology section of the Max-Planck-Institute for Biophysical Chemistry in Göttingen. He remained there until 1987, when he became Professor of Computer Science, Neuroscience, Physics and Psychology at the University of Southern California in Los Angeles.