Fritz Sdunek

Fritz Sdunek (pronounced "free-ts zdoo-neck", April 18, 1947 – December 22, 2014) was a German professional boxing trainer and former amateur boxer.
Sdunek was one of the most successful and famous boxing trainers. He trained, among others, such world champions as Wladimir and Vitali Klitschko and Dariusz Michalczewski. He was born in Lüssow, Germany.
Sdunek died in Hamburg on December 22, 2014, at the age of 67.