 Complete the following phrase:  Herbert Klepp born May 14, 1923 is an Austrian sprint canoer who competed in the late 1940s and early 1950s. He won three medals at the ICF Canoe Sprint World Championships with a silver K-4 1000 m: 1948 and two bronzes K-1 4 x 500 m and K-4 1000 m: both 