 Complete the following phrase:  Herbert Wiedermann born November 1, 1927 was an Austrian sprint canoer who competed from the early 1950s to the early 1960s. Competing in three Summer Olympics, he won two bronze medals in the K-2 1000 m event 1952, 1956. Wiedermann also won four medals at the ICF Canoe Sprint World Championships with a gold K-2 10000 m: 1954 and three bronzes K-1 4 x 500 m: 