Harry Beck

Harry Beck trained and worked as an electrical engineering draughtsman for the London Underground. In the early 1930s he developed a radically simplified diagram of the network that abandoned conventional geographic scale in favour of straight lines, regular angles and a clear representation of connections between stations.

After initial hesitation by Underground management, Beck’s design was tested and then published widely in 1933. Its clarity made it an immediate success, and the basic principle of his diagram has remained fundamental to the Tube map while influencing transit maps around the world.

Andrew Martin’s Underground, Overground places Harry Beck’s diagrammatic Tube map within the broader development of the London Underground from competing Victorian railways into a unified metropolitan system. Beck’s decision to abandon geographical scale in favour of a clear network of lines and interchanges becomes one of the book’s key examples of how twentieth-century design made an increasingly complicated railway legible to ordinary passengers.