Elizabeth Mary EdmondsonPLY (born 1 July 1950) is an Australian Paralympic competitor and current Australian Masters competitor in swimming. She became a paraplegic after contracting polio as a small child. She won several medals in the 1964 and 1968 Summer Paralympics. She subsequently retired from swimming, only taking up the sport again in 2006 to compete in the 2008 FINA World Masters Championships in Perth.
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