Former world number one Tiger Woods, whose ranking has slipped to a mind-boggling 416th, celebrates his 40th birthday on Wednesday amid growing speculation over what he may yet still achieve as a competitive golfer after being blighted by injuries and poor form in recent years. Here are key facts about Woods' life and career: MAKING HIS NAME * Born in Cypress, California on Dec. 30, 1975. * A child prodigy, Woods won three consecutive U.S. junior titles and three successive U.S. amateur championships before turning professional in late 1996. More...