<prompt> Pedzisa mutsara unotevera: Leo Amberg 23 March 1912 18 September 1999 aiva Swiss nyanzvi mugwagwa bhasikoro racer. Iye anozivikanwa zvikurusa nokuda kwemenduru yake yendarira mu  <response>: 1938 UCI Road World Championships. Akanga ari Swiss National Road Race champion muna 1937 na1938. Akatasvawo muTour de France ya1947. 