 Complete the following phrase:  Fritz Briel 24 October 1934  15 March 2017 was a German sprint canoeist, born in Düsseldorf, who competed in from the late 1950s to the late 1960s. He won a silver medal in the K-2 10000 m event at the 1956 Summer Olympics in Melbourne. Briel also won four medals at the ICF Canoe Sprint World Championships with three golds K-1 1000 m: 