John Albert Kramer was an American tennis player of the 1940s and 1950s, and a pioneer promoter who helped drive the sport towards professionalism at the elite level. Kramer also ushered in the serve-and-volley era in tennis, a playing style with which he won three Grand Slam tournaments. He also led the U.S. Davis Cup tennis team to victory in the 1946 and 1947 Davis Cup finals.
Tony Trabert and Jack Kramer in 1955
Kramer with his son David in 1947
Robert Larimore Riggs was an American tennis champion who was the world No. 1 amateur in 1939 and world No. 1 professional in 1946 and 1947. He played his first professional tennis match on December 26, 1941.
Riggs c. 1947
Riggs in October 1945 at the U.S. Navy training center at Camp Elliott, after spending 20 months overseas giving tennis exhibitions at U.S. Navy bases in the Pacific.
Billie Jean King and Bobby Riggs in 1973
Riggs with first wife, Kay Fischer, in 1946