Design legend Michael Bierut tells the story of the accidental success of one of the most famous maps in the world -- the London Tube Map.
Become a TED Member
Want to hear more great ideas like this one? Sign up for TED Membership to get exclusive access to captivating conversations, engaging events, and more!
Michael Bierut is a partner in the New York office of Pentagram, a founder of Design Observer and a teacher at Yale School of Art and Yale School of Management.