Stephen Wiltshire (born 24 April 1974) is a British architectural artist and autistic savant. He is known for his ability to draw a landscape from memory after seeing it just once. His work has gained worldwide popularity.
In 2006, Wiltshire was made a Member of the Order of the British Empire (MBE) for services to art. In the same year, he opened a permanent gallery on the Royal Opera Arcade in London.
Source : Wikipedia