 Complete the following phrase:  Manfred Vogt is a retired West German slalom canoeist who competed in the 1950s and the 1960s. He won five medals at the ICF Canoe Slalom World Championships with three golds Folding K-1: 1957, Folding K-1 team: 1955, K-1 team: 1965 and two bronzes Folding K-1 team: 1957, 