Original: He completed his Diplom in Physics at the Technical University of Stuttgart in 1961 , followed his thesis advisor Heinz Gerischer from the Max Planck Institute for Metals Research in Stuttgart to Munich and received his Ph. D. degree from the Technical University of Munich in 1965 .
Simplified: In 1973 , Professor Ertl returned to the Ludwig Maiximillians University of Munich to work as a professor at the Institute of Physical Chemistry .