Question: In which year was the founder of this group, which co-managed Virgin Racing along with Manor Motorsport and Wirth Research born?

Context paragraphs:
Andreas Wirth: Andreas Wirth (born 19 November 1984 in Heidelberg) is a German racing driver currently acting as reserve and development driver for World Endurance Championship team CEFC Manor TRS Racing (Manor Motorsport).

Manor Motorsport: Manor Motorsport Ltd, currently trading as Manor Endurance Racing Ltd is a British motor racing company that was formed in 1990 by former single-seater champion John Booth.  Manor has participated as a team in many different motorsport disciplines since its inception, including Formula One.

Wirth Research: Wirth Research is a group of engineering companies, founded by Nicholas Wirth in 2003, specialising in research, development, design and manufacture for the motor racing industry and other high technology sectors.

Manor Racing: Manor Grand Prix Racing Limited, trading as Manor Racing MRT, was a British Formula One racing team and constructor based in Banbury, Oxfordshire in the United Kingdom.  The team originally started racing in 2010 under the "Virgin Racing" name; the following year Virgin adopted Marussia as a title sponsor becoming "Marussia Virgin Racing" until being fully rebranded as the "Marussia F1 Team" for .

Virgin MVR-02: The Virgin MVR-02 is a Formula One racing car designed by Wirth Research for Marussia Virgin Racing, and used by them during the 2011 Formula One season.  Like its predecessor, the Virgin VR-01, the MVR-02 was designed entirely with computational fluid dynamics, with Nick Wirth's design studio doubling their CFD capacity ahead of the 2011 season.  The addition of the "M" in the car's chassis designation reflected the team's new owner, Russian sports car manufacturer Marussia Motors.  The car was unveiled in London on 7 February 2011, and was driven during the racing season by returning driver Timo Glock and debutant Jérôme d'Ambrosio.

Nick Wirth: Nicholas John Peter "Nick" Wirth (born 26 March 1966) is an automotive engineer and the founder and owner of Wirth Research.

Marussia F1: The Marussia F1 Team (subsequently Manor Marussia F1 Team) was an Anglo-Russian Formula One racing team and constructor which was based in Banbury, Oxfordshire in the United Kingdom.  The team was operated by Manor Motorsport (formerly Marussia Manor Racing), which was previously a subsidiary of Marussia Motors, a now defunct sports car manufacturer which was based in Moscow.  The team originally started racing in under the "Virgin Racing" name; the following year Virgin adopted Marussia as a title sponsor becoming "Marussia Virgin Racing" until being fully rebranded as the "Marussia F1 Team" for .

Virgin Racing: Virgin Racing subsequently Marussia Virgin Racing was a Formula One racing team which was under management of Manor Motorsport, Wirth Research and Richard Branson's Virgin Group which competed in Formula One in and .  It scored no points and finished last in the Constructor's Championship for the two years the team competed.

Richard Branson: Sir Richard Charles Nicholas Branson (born 18 July 1950) is an English business magnate, investor and philanthropist.  He founded the Virgin Group, which controls more than 400 companies.

MP Motorsport: MP Motorsport is a Dutch auto racing team currently competing in the FIA Formula 2 Championship.  The team is also participating in Auto GP, Eurocup Formula Renault 2.0 and Formula Renault 2.0 Northern European Cup in conjunction with Manor Motorsport, using the name "Manor MP Motorsport".

Supporting paragraphs: Virgin Racing Richard Branson
Answer: 1950