Katie Ledecky won three individual gold medals in the 2016 Olympics for swimming. Which famous swimmer did the same when she was 16-years-old?
Debbie Meyer: Deborah Elizabeth Meyer (born August 14, 1952), also known by her married name Deborah Weber, is an American former competition swimmer, a three-time Olympic champion, and a former world record-holder in four events. Debbie Meyer:  While she was still a 16-year-old student at Rio Americano High School in Sacramento, California, she became the first swimmer to win three individual gold medals in one Olympics, winning the 200-, 400-, and 800-meter freestyle swimming races. Katie Ledecky: Kathleen Genevieve "Katie" Ledecky ( ; ] ; born March 17, 1997) is an American competitive swimmer.
i don't know