Dee ihe na-aga n'ihu maka paragraf a - Christiane Knacke (onye mechara bụrụ Driesener mgbe ahụ Sommer, amụrụ 17 Eprel 1962) bụ onye na-egwu mmiri lara ezumike nká si East Germany bụ onye ọkachamara na 100 m butterfly. N'egwuregwu a, o nwetara ọlaọcha na 1977 European Aquatics Championships
nakwa ọla nchara n'egwuregwu Olimpik nke afọ 1980. Ọ bụ nwanyị mbụ mebiri ihe mgbochi otu nkeji na ihe omume ahụ, mgbe ọ gbara 59.78 na 28 Ọgọstụ 1977, na-esetịpụ ndekọ ụwa ọhụrụ.