Leading architect Sir Terry Farrell claimed a new runway would kick start an Olympic-style boost for the economy of South London.
Sir Terry has been commissioned to draw-up plans for expanding the airport as part of a new campaign called "Gatwick Obviously".
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The 34-year-old from Coulsdon in Surrey died during the private party in Headley in the early hours of Monday, Surrey Police said.
The Home Office made the arrests at various restaurants across London on July 4.
Mayor of Newham Sir Robin Wales criticised the International Olympic Committee on the fourth anniversary of the opening ceremony.