Sir Richard Branson with Virgin Galactic colleagues on July 1.
British businessman Sir Richard Branson during the launch of Virgin Atlantic Airways on April 6, 1984.
The millionaire entrepreneur founded the Virgin group of companies, which covers a wide range of interests from records to airline travel, on a beach in 1986.
Sir Richard Branson in the cabin of the 'Virgin Atlantic Flyer' balloon at Gatwick Airport in 1987.
Sir Richard Branson inside the cockpit of a plane in New York in May 2000.
The Virgin founder 'performs surgery' on Australian comedian Jimeoin during a sketch to launch a credit card in Sydney in 2003.
Sir Richard Branson pilots his Gibbs Aquada amphibious car during a record-breaking 2004 crossing of the English Channel.
Sir Richard Branson with his father and mother at a party in 2004 in Sydney.
Sir Richard Branson signing up to become an astronaut in Sydney in 2005.
Steve Fossett is hugged by Sir Richard Branson in Bournemouth, England, after making an unscheduled landing due to electrical problems with the Virgin Atlantic GlobalFlyer aircraft in 2006.
The Virgin Galactic founder next to a British-style red telephone box during a photocall on a man-made island off Dubai in 2006.
Sir Richard Branson attends a photocall to launch Virgin Media's television channel Virgin 1, in Oxfordshire, England, in 2007.
Sir Richard Branson at London's Heathrow Airport in 2008.
Sir Richard Branson with employees during the official launch of the Virgin Active Health Club in 2009 in Sydney, Australia.
The Virgin Galactic founder attends the media launch for a new Virgin Racing team in Notting Hill, London.
Sir Richard Branson poses alongside Charlie Graham in 2011 in Sydney, Australia. The tycoon announced a competition that would offer the winner a trip to space aboard a Virgin Galactic space plane.
Sir Richard Branson in a Virgin train in Liverpool, England, in 2012.
CNBC's Middle East anchor Hadley Gamble, Sir Richard Branson and Sultan bin Sulayem, group chairman and chief executive of DP World, in 2018 in Dubai.
Sir Richard Branson with Virgin Galactic colleagues on July 1.
British businessman Sir Richard Branson during the launch of Virgin Atlantic Airways on April 6, 1984.
The millionaire entrepreneur founded the Virgin group of companies, which covers a wide range of interests from records to airline travel, on a beach in 1986.
Sir Richard Branson in the cabin of the 'Virgin Atlantic Flyer' balloon at Gatwick Airport in 1987.
Sir Richard Branson inside the cockpit of a plane in New York in May 2000.
The Virgin founder 'performs surgery' on Australian comedian Jimeoin during a sketch to launch a credit card in Sydney in 2003.
Sir Richard Branson pilots his Gibbs Aquada amphibious car during a record-breaking 2004 crossing of the English Channel.
Sir Richard Branson with his father and mother at a party in 2004 in Sydney.
Sir Richard Branson signing up to become an astronaut in Sydney in 2005.
Steve Fossett is hugged by Sir Richard Branson in Bournemouth, England, after making an unscheduled landing due to electrical problems with the Virgin Atlantic GlobalFlyer aircraft in 2006.
The Virgin Galactic founder next to a British-style red telephone box during a photocall on a man-made island off Dubai in 2006.
Sir Richard Branson attends a photocall to launch Virgin Media's television channel Virgin 1, in Oxfordshire, England, in 2007.
Sir Richard Branson at London's Heathrow Airport in 2008.
Sir Richard Branson with employees during the official launch of the Virgin Active Health Club in 2009 in Sydney, Australia.
The Virgin Galactic founder attends the media launch for a new Virgin Racing team in Notting Hill, London.
Sir Richard Branson poses alongside Charlie Graham in 2011 in Sydney, Australia. The tycoon announced a competition that would offer the winner a trip to space aboard a Virgin Galactic space plane.
Sir Richard Branson in a Virgin train in Liverpool, England, in 2012.
CNBC's Middle East anchor Hadley Gamble, Sir Richard Branson and Sultan bin Sulayem, group chairman and chief executive of DP World, in 2018 in Dubai.
Sir Richard Branson with Virgin Galactic colleagues on July 1.