Amy Van Dyken (born February 15, 1973 in Englewood, Colorado) is an American swimmer who has six career Olympic gold medals. Four of these gold medals came in the 1996 Summer Olympics, making her the first American woman to accomplish such a feat. She won gold in the 50 meter free, 100 meter butterfly, 4 x 100 meter freestyle relay, and the 4 x 100 meter medley relay. Van Dyken is an asthmatic who suffered from severe asthma throughout her childhood and into adulthood. Wikipedia
The definitive Wikipedia entry for Amy van Dyken. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Amy_Van_Dyken