Harry Beck in 1931 by Harry Beck' is printed on every London Underground map. As part of the Transported by Design programme of activities, in 15 October 2015, after two months of public voting, Harry Beck's tube map was elected by Londoners as number 3 of the 10 favourite transport design icons. In 1938 he produced a diagram of the entire rail system of the London region (as far as St Albans in the north, Ongar in the north east, Romford in the east, Bromley in the south east, Mitcham in the south, Hinchley Wood in the south west, Ashford in the
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