Career
He set two world records in the 400 m individual medley, in 1962 and 1963. In 1962 he was selected as the German Sportspersonality of the Year. After retirement from competitions he became a successful swimming coach at Blau-Weiß Bochum, SSF Bonn (1968–1975) and then SV Rhenania Köln (1975–1991), training such swimmers as Rainer Henkel, Werner Lampe and Peter Sitt.
However, he was also criticized for his harsh training methods.
They had three children.