Horst Wängler  Horst Wängler is a retired East German slalom canoeist who competed in the 1960s. He won four medals at the ICF Canoe Slalom World Championships with two golds (Folding K-1 team: 1961, Mixed C-2 team: 1965), a silver (Mixed C-2: 1967) and a bronze (Mixed C-2: 1965).