Which track and field star overcame childhood polio to become one of the greatest athletes of her time?

Rudolph won 3 gold medals (100m, 200m and 4x100m relay) at the 1960 Olympics. Devers overcame a thyroid disorder (Graves' disease) that nearly resulted in her having both feet amputated.

For more info http://en.wikipedia.org/wiki/Wilma_Rudolph .