Mezue ahịrịokwu na-esonụ: Jiří Černý bụ onye Czechoslovak lara ezumike nká slalom canoeist onye mpi na 1960s. O meriri nrite atọ na ICF Canoe Slalom World Championships na ọlaọcha (Folding K-1 team: 1961) na ọla nchara abụọ (Folding K-1: 1961,
1963).