Phyllis Pearsall: Designer of the London A-Z

Working eighteen hours a day to walk 3,000 miles of London's streets, the artist Phyllis Pearsall (1906-1996) not only conceived, designed and produced the A-Z street atlas of London, but founded her own company to publish it.  The A-Z remains one of the most ingenious examples of early 20th century information design. Realising that she did not know the location of the party to which she was invited in the