Dee ihe na-esote paragraf a - Franz Weinberger bụ onye Switzerland na-agba ọsọ bob nke gbara asọmpi na mbido afọ 1980. O ritere ọlaọcha n'asọmpi ndị nwoke anọ n'afọ 1981 FIBT World Championships
na Cortina d'Ampezzo.