Mark Shuttleworth, South African-English businessman

Mark Richard Shuttleworth is a South African and British entrepreneur, founder and CEO of Canonical, the company behind the Ubuntu Linux operating system. In 2002, Shuttleworth became the first African to travel to space, doing so as a space tourist. He holds dual citizenship from South Africa and the United Kingdom. As of 2020, the Sunday Times Rich List estimated Shuttleworth's worth at £500 million.

September 18 is the 261st day of the year in the Gregorian calendar; 104 days remain until the end of the year.