13 tennis player champions before 1950
1. Fred Perry
2. René Lacoste
3. Bobby Riggs 1939 - Wimbledon
4. William Spencer Gore
5. Suzanne Lenglen - 6 Wimbledon and 6 French titles in the period 1914-1926
(Since #6 was a repeat I'll do it over)
6. Helen Wills Moody