About Ryo Ishikawa
Ryo Ishikawa, also known by the nickname Hanikami Ōji, is a Japanese professional golfer. On 20 May 2007, Ishikawa became the youngest winner ever of a men's regular tournament on the Japan Golf Tour by winning the Munsingwear Open KSB Cup at the age 15 years and 8 months. Ishikawa turned professional in 2008 and won another Japan Golf Tour tournament, the mynavi ABC Championship. Ishikawa played in PGA Tour tournaments for the first time in 2009.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.