Dee ihe na-esote paragraf a - Franz Isenegger bụ onye Switzerland na-agba ọsọ bob nke gbara asọmpi na mbido afọ 1980. O ritere ihe nrite abụọ n'asọmpi mmadụ anọ n'asọmpi FIBT World Championships na ọlaọcha n'afọ 1981
nakwa ọla nchara n'afọ 1982.