Which world champion before Sven Ottke was born on  7 February 1958?
Sven Ottke Sven Ottke (born 3 June 1967) is a German former professional boxer who competed from 1997 to 2004. He was a unified super-middleweight world champion, having held the IBF title from 1998 to 2004, and the WBA (Super) title from 2003 to 2004. He made 21 successful title defences, and was the third European boxer to retire as an undefeated world champion, after Terry Marsh and Michael Loewe; Joe Calzaghe later became the fourth. As an amateur, Ottke won a bronze medal in the middleweight division at the 1989 World Championships.
Lennart Green Sven Lennart Green (born 25 December 1941) is a Swedish world champion close-up/card magician, a title which he won in 1991 at the FISM convention in Lausanne, Switzerland. He is known for his seemingly chaotic routines which, in spite of first appearances, display great skill. His original techniques and presentation style form an unorthodox and innovative contribution to sleight of hand magic.