Otto H. Kegel

Otto Helmut Kegel
Kegel in 2010
Born(1934-07-20)20 July 1934
Died20 July 2025(2025-07-20) (aged 91)
EducationGoethe University Frankfurt (PhD)
Scientific career
FieldsMathematics
InstitutionsUniversity of Freiburg
Doctoral studentsFelix Leinen

Otto Helmut Kegel (German: [ˈɔtoː ˈhɛlmuːt ˈkeːgəl]; 20 July 1934 – 20 July 2025) was a German mathematician who worked on group theory. He was a professor at the University of Freiburg.