Rodney Dennis Humphries is an Australian-born author, newspaper/magazine journalist and television writer. Humphries began his writing career at the age of 17 as a general reporter for an Australian wire service. He became a sports journalist covering international events for major Australian dailies and wrote his first book, Lionel Rose: Australian at age 25. Humphries was also head writer and assistant producer of the Australian television show This is Your Life. Humphries moved permanently to the United States in 1977 when a tennis book he was commissioned to write in New York was followed by an offer from oilman and sports entrepreneur Lamar Hunt to join the staff of Dallas-based World Championship Tennis (WCT). He has had three books published in the United States, the most recent in 2013, Little League to the Major Leagues.

Lionel Edmund Rose MBE was an Australian professional boxer who competed from 1964 to 1976. He held the undisputed WBA, WBC, and The Ring bantamweight titles from 1968 to 1969, becoming the first Indigenous Australian to win a world title. He later became the first Indigenous Australian to be named Australian of the Year.