Stanisława Walasiewicz, also known as Stefania Walasiewicz, and Stella Walsh, was a Polish-American track and field athlete, who became a women's Olympic champion in the 100 metres. Born in Poland and raised in the United States, she became an American citizen in 1947. Stanisława Walasiewicz (Poland) set the women's 100 m world record of 11.6 in Berlin, Germany on August 1, 1937. It stood 21 months, until Lulu Mae Hymes's 11.5 on May 6, 1939. Wiki link