Fred Perry was a British tennis player. A former world No. 1, Perry won three successive Wimbledon Championships from 1934. He won eight Grand Slam tournaments, including a Career Grand Slam. He was the first player and only British player to date to achieve a Career Grand Slam. Also a table tennis player, Perry was the world champion in 1929.
Daniel Prenn was a tennis and table tennis player who took part in the World Table Tennis Championships in 1926 where he represented Germany. In 1928, Prenn won the Hamburg European Open, an annual tennis tournament. Daniel Prenn played at major tournaments like Wimbledon. Unfortunately, Daniel Prenn was barred from playing in Germany in 1933 because of his Jewish ethnicity.