Major Timothy Nigel "Tim" Peake CMG (born 7 April 1972) is a British Army Air Corps officer, European Space Agency astronaut and a former International Space Station (ISS) crew member.

He is the first British ESA astronaut, the second astronaut to bear a British flag patch (the first was Helen Sharman, who visited Mir as part of Project Juno in 1991), the sixth person born in the United Kingdom to go on board the International Space Station (the first was NASA astronaut Michael Foale in 2003) and the seventh UK-born person in space. He began the ESA's intensive astronaut basic training course in September 2009 and graduated on 22 November 2010.