Complex sentence: In the same year he continued his work as teaching assistant in Graz, he obtained the title Privatdozent and subsequently the title extraordinary professor in 1950, and was employed as a permanent assistant at the Graz University of Technology.
Split into simpler sentences: In the same year he continued his work as teaching assistant in Graz. He obtained the title Privatdozent and subsequently the title extraordinary professor in 1950, and was employed as a permanent assistant at the Graz University of Technology.