Hans Nüsslein

Hans "Hanne" Nüsslein (31 March 1910 to 28 June 1991) was a German tennis player and coach, born in Nuremberg, who became the world professional number one and won four professional Majors singles titles. In his youth he played football, handball and tennis at 1. FC Nürnberg; at sixteen he was paid a small amount to give tennis lessons, and when a member of a neighbouring club reported this to the German Tennis Federation he received a lifetime ban from amateur competition, which kept him out of the Grand Slam tournaments. He turned to coaching, passed the qualifying examination on 1 April 1928 to join the German federation of tennis coaches, and was hired by Deutsche Bank to teach its executives while he also played the emerging professional tournaments. He won the 1931 German Pro Championships over Roman Najuch, toured the United States against Bill Tilden in 1932 and 1933, and beat Tilden 1-6 6-4 7-5 6-3 in the 1933 World Pro Championships final.