Billie Jean Moffitt King (born November 22, 1943 in Long Beach, California) is a retired tennis player from the United States. During her career, she won 12 Grand Slam singles titles, 16 Grand Slam women's doubles titles, and 11 Grand Slam mixed doubles titles. She is generally considered to be one of the greatest female tennis players and female athletes in history. King has been an outspoken advocate against sexism in sports and society.

William Tatem Tilden II (February 10, 1893 - June 5, 1953), often called "Big Bill", was an American tennis player who was the World No. 1 player for 7 years, the last time when he was 38 years old. Born in Philadelphia, Pennsylvania, to a wealthy family, he was a "Junior" at birth but changed his name to "II" when he was in his mid-20s.

Stan Smith (born December 14, 1946 in Pasadena, California) is a former American tennis player who, with his partner Bob Lutz, was one of the best doubles players of all time. Together they won many major titles all over the world. Smith was also an excellent singles player who won many titles including the Wimbledon championship once and the United States Open championship once. In 1972 he was the World No. 1 player for the year.

Frederick John Perry born in Stockport, Cheshire. was an English tennis player and three-time Wimbledon champion. He was the World No. 1 player for 5 years, four of them consecutive, 1934 through 1938, the first three years as an amateur. He was the last Englishman to win Wimbledon.

Pancho Segura, born Francisco Olegario Segura (June 20, 1921), was a leading tennis player of the 1940s and 1950s, both as an amateur and as a professional. In 1950 and 1952, as a professional, he was the World Co-No. 1 player. He was born in Guayaquil, Ecuador, but moved to the United States in the late 1930s and is a citizen of both countries. Segura almost died at his premature birth, then suffered from hernias and malaria.

Frank Arthur Sedgman, born October 29, 1927, in Mont Albert, a suburb of Melbourne, Victoria, Australia, was a tennis player who was arguably the world amateur No.1 in 1952. In his 1979 autobiography Jack Kramer, the long-time tennis promoter and great player himself, included Sedgman in his list of the 21 greatest players of all time. Sedgman, Kramer wrote, "was as quick as anybody who ever played the game, …

John Herbert ("Jack") Crawford (March 22, 1908 - September 10, 1991) was a great Australian tennis player of the 1930s. He was the World No. 1 player for 1933. Born in Albury, New South Wales, Crawford won a number of major championship titles, although he is best known, perhaps, for something he did not do - complete the tennis Grand Slam five years before Don Budge accomplished the feat for the first time.

Henri Jean Cochet was a champion tennis player, one of the famous "Four Musketeers" from France who dominated tennis in the late 1920s and early 1930s. Born in Villeurbanne, near Lyon, France, Cochet won seven Grand Slam singles titles in the French, American, and British championships, failing to win only in Australia. He was the World No. 1 player for three consecutive years, 1928 through 1930. Jack Kramer, the long-time tennis promoter, and a great player himself, …

Jean René Lacoste was a famous French tennis player and businessman, nicknamed "the Crocodile" or "the Alligator" by fans, because of his pugnacity on court; he is now mostly known as being the namesake of the Lacoste tennis shirt, which he introduced in 1929. Lacoste was one of The Four Musketeers, France's tennis stars who dominated the game in the 1920s and early 1930s. He won 7 Grand Slam singles titles in the French, American, …

William ("Little Bill") Johnston (born November 2, 1894 in San Francisco, California - died May 1, 1946 in San Francisco, California) was an American tennis champion. He was the co-World No. 1 player in 1919 along with Gerald Patterson. Until "Big Bill" Tilden began to defeat him regularly in 1920, Johnston had been the best American player for a number of years. He remained competitive with Tilden for the next seven or eight years, …

Maurice McLoughlin (January 7, 1890 in Carson City, NV, - December 10, 1957 in Hermosa Beach, CA) was an American tennis player known for his powerful serve and overhead volley. He was the first male tennis champion from the western United States. At the U.S. Championships, he won the singles twice, 1912 and 1913, and the doubles three times with Thomas Bundy,1912-14. In 1913 he also became the first American to be a finalist in the singles at Wimbledon.

Anthony ("Tony") Frederick Wilding (born October 31, 1883 in Christchurch, New Zealand – died May 9, 1915 near Neuve-Chapelle, Pas-de-Calais, France) was a champion tennis player and a soldier killed in action during World War I. He was the World No. 1 player in 1913. From a well-to-do New Zealand family, he was educated in New Zealand before attending Cambridge University, where he developed his tennis game.

Gerald Leighton Patterson (December 17, 1895 - June 13, 1967) was an Australian male tennis player. He was born in Melbourne, and died there June 13 1967. He was the co-World No. 1 player for 1919 along with Bill Johnston. He was voted into the Hall of Fame in 1989. Patterson was the nephew of Australian opera singer Dame Nellie Melba.