<prompt> Bhala ukuqhubeka kwalesi sigaba - USahlin waqeqesha uCharles Tickner ukuba anqobe i-1978 World Figure Skating Championships, ithusi ku-1980 World Figure Skating Championships  <response>: , nethusi emidlalweni yama-Olympic yasebusika ka-1980. Wabuye waqeqesha uBarbara Brown noDoug Berndt kuma-Olimpiki asebusika ka-1972. Abanye abafundi babehlanganisa uTom Zakrajsek iminyaka eyisikhombisa noJill Trenary izinyanga eziyishumi nesishiyagalombili. Sekukonke waqeqesha abafundi eMqhudelwaneni Wamazwe Omhlaba eziyisikhombisa. 