"'"' (born October 4, 1943 in Melbourne) was a professional tennis player of the 1960s and 1970s. Partnering Billie Jean King, he managed to win eight grand slam mixed doubles titles. Davidson was one of very few to win a calendar year slam for mixed doubles, when he won the Australian Championships, French Championships, Wimbledon and the U.S. Championships all in the same year-1967. Wikipedia
The definitive Wikipedia entry for Owen Davidson. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Owen_Davidson