Nida Senff

Dina Willemina Jacoba "Nida" Senff was a backstroke swimmer from the Netherlands who won the 100 metres backstroke at the 1936 Summer Olympics in Berlin. She did so after missing a turning point, went back to push the wall, and still won the race. Senff won the Dutch title in the 100 metres backstroke in 1935 and 1937, and set five world records in 100 m, 150 yd and 200 m backstroke in 1936–1937. In 1983, she was inducted to the International Swimming Hall of Fame.

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