Complex sentence: Then, at the same university he had obtained degrees a PhD in 1969 and postdoctoral 1973, and September 17,1982 was awarded the title Professor of the physical sciences.
Split into simpler sentences: Then, at the same university he granted the following degrees: a PhD in 1969 and postdoctoral 1973. On September 17,1982 was awarded the title of Professor of Physical Sciences.