Harry Beck version of the London Underground diagram. In March 2013 a blue plaque was unveiled on the house where Beck was born, in Wesley Road in Leyton, to mark the 80th anniversary of the Tube map. GB Railfreight named locomotive 66721 after Beck in January 2007. Beck's idea has been emulated by subway, bus and transit companies around the world and many urban rail and metro maps use his principles. He was featured on a BBC2 series called "Map Man" in 2004. Harry Beck Henry Charles Beck (4 June 1902 – 18 September 1974), known as Harry Beck, was an English
Blue plaque and place them on the sites of former buildings, in contrast to the strict English Heritage policy of only installing a plaque on the actual building in which a famous person lived or an event took place. The Corporation of London continues to run its own plaque scheme for the City of London, where English Heritage does not erect plaques. City of London plaques are blue and ceramic, but are rectangular in shape and carry the City of London coat of arms. Because of the rapidity of change in the built environment within the City, a high proportion of Corporation