Heiner Zieschang
Heiner Zieschang (born 12 November 1936 in Kiel; died 5 April 2004) was a German mathematician.  He was a professor at Ruhr-University Bochum from 1968 till 2002. In 1996 he was made an honorary doctor of the University of Toulouse and in 1997 he was an honorary professor of Moscow State University.