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 is often used informally to encompass all such schemes. There are also commemorative plaque schemes throughout the world such as those in Paris, Rome, Oslo, Dublin; and in other cities in Australia, Canada, the Philippines, Russia and the United States. The forms these take vary, and they are more likely to be known as historical markers. The original blue plaque scheme was established by the Society of Arts in 1867, and since 1986 has been run by English Heritage. It is the oldest such scheme in the world. Since 1984 English Heritage have commissioned Frank Ashworth to make the plaques