Harry Beck Underground station. Beck's home at 60 Courthouse Road, Finchley was marked with a plaque by the Finchley Society in 2003. Since 2001 Transport for London has also started to credit Beck for the original idea on the modern Tube maps. In March 2006 viewers of BBC2's "The Culture Show" and visitors to London's Design Museum voted Harry Beck's Tube map as their second-favourite British design of the 20th century in the Great British Design Quest. The winner was Concorde. In January 2009 the Royal Mail issued a set of postage stamps celebrating British design classics, among them was the contemporary
Alan Turing been Turing's 86th birthday, his biographer, Andrew Hodges, unveiled an official English Heritage blue plaque at his birthplace and childhood home in Warrington Crescent, London, later the Colonnade Hotel. To mark the 50th anniversary of his death, a memorial plaque was unveiled on 7 June 2004 at his former residence, Hollymeade, in Wilmslow, Cheshire. On 13 March 2000, Saint Vincent and the Grenadines issued a set of postage stamps to celebrate the greatest achievements of the 20th century, one of which carries a portrait of Turing against a background of repeated 0s and 1s, and is captioned: "1937: Alan Turing's