 Complete the following phrase:  Werner Zimmermann born 19 May 1915, date of death unknown is a Swiss retired slalom and sprint canoeist who competed from the mid-1930s to the mid-1950s. As a slalom canoeist, he won three medals at the ICF Canoe Slalom World Championships with a gold Folding K-1 team: 1949 and two bronzes Folding K-1: 1949, Folding K-1 team: 