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 of London plaques mark the sites of former buildings. Many of the 32 London boroughs also now have their own schemes, running alongside the English Heritage scheme. Westminster City Council runs a green plaque scheme, each plaque being sponsored by a group with a particular interest in its subject. The London Borough of Southwark started its own blue plaque scheme in 2003, under which the borough awards plaques through popular vote following public nomination: living people may be commemorated. The London Borough of Islington has a very similar green heritage plaque scheme, initiated in 2010. Other plaques may be erected