Tennis icon Martina Navratilova was born in Prague in 1956 and is the only player in history to win Grand Slam titles in four different decades, including a U.S. Open victory in mixed-doubles at age 49. Her resume is highlighted by 59 Grand Slam titles, a record 9 Wimbledon singles championships, and an unrivaled 344 tournament victories. At age 18 she left communist Czechoslovakia and sought political asylum and freedom in the United States. After receiving her U.S. citizenship in 1981, she publicly acknowledged that she is gay — at a time when such announcements came at great personal cost to public figures. In 2010 Navratilova was diagnosed with breast cancer and is now a champion for breast cancer awareness. She is currently the Fitness Ambassador for AARP and is an on-air commentator for the Tennis Channel.