'The King of Sevens', Waisale Serevi's name is synonymous with the shorter version of the Game, having excelled for Fiji Sevens.
A legend of Soviet Union aviation, Vladimir Ilyushin was also instrumental in the formation of the Soviet Rugby Federation.
Alfred St George Hamersley played in the first ever rugby international match for England against Scotland on 27 March 1871.
Two pioneers of rugby in Zimbabwe, brothers Richard and Kennedy Tsimba, have been inducted into the IRB Hall of Fame.
The USA teams which won the last two Olympic rugby medals, in 1920 and 1924, have been inducted into the IRB Hall of Fame.
The 1924 Olympic team won Romania's first ever medal and inspired generations of Rugby players in that country.
Japanese legend Yoshihiro Sakata was voted one of the best players in the world by the NZ Almanac in the late 1960s.
Brothers Ian and Donald Campbell both played for Chile and the former is widely regarded as the father of Chile rugby.
Gordon Tietjens is peerless in Sevens, having been at the helm of New Zealand since 1994 and won countless Series titles and gold medals.
John Smit was South Africa captain for their second Rugby World Cup triumph in 2007.
Martin Johnson led England to their finest hour in Rugby World Cup history, victory in the 2003 tournament in Australia.