Hellmuth Stachel

Hellmuth Stachel is an Austrian mathematician, a Professor of Geometry at the Technical University of Vienna, who is known due to his contributions to geometry, kinematics and computeraided design.

Hellmuth Stachel was born on October 6, 1942 in Graz to the family of primary school teachers. He graduated from an elementary school in Trofaiach and secondary school in Leoben. In 1965 he graduated from the University of Graz and Graz University of Technology, obtaining a diploma of a school teacher in mathematics and descriptive geometry. As a Ph.D. student of Graz University he majored in mathematics, astronomy and philosophy. His doctoral advisor was Professor Fritz Hohenberg. Hellmuth Stachel obtained his doctorate in 1969 from Graz University and passed thought habilitation in 1971 at the Technical University of Graz. In 1980 he moved to the Vienna University of Technology.

Source: Wikipedia