Mezue ahịrịokwu na-esonụ: Pierre Rössinger bụ onye Switzerland lara ezumike nká slalom canoeist onye mpi n'etiti afọ ndị 1950. O ritere ọlaọcha n'asọmpi C-2 n'otu egwuregwu n'asọmpi
1953 ICF Canoe Slalom World Championships na Meran.