1945 – 1953: Study in mathematics and physics
1953: Diploma in mathematics
1954: PhD in mathematics
1958: Habilitation in mathematics
1954 – 1957: Study at Sarbonne (Paris).
1959 – 1965: Visiting Professor in USA
Since 1965: Professor at Gießen (Germany)
Special interests: families of curves in 2D and 3D, ornamentic on surfaces.
Prints & Plots: Computerkunst 86, p.20