Alan Turing, British mathematician - Stock Image - H420/0226 - Science Photo Library

Alan Turing (1912-54), British mathematician. Turing was educated at Cambridge and Princeton. BILL SANDERSON/SCIENCE PHOTO LIBRARY

Alan Turing, British mathematician - Stock Image - C037/7936 - Science Photo Library

Turing hi-res stock photography and images - Page 2 - Alamy

Alan Turing, British mathematician - Stock Image - H420/0226 - Science Photo Library

Alan Turing, British mathematician - Stock Image - C023/7594 - Science Photo Library

Alan turing hi-res stock photography and images - Page 4 - Alamy

Mathematician hi-res stock photography and images - Page 6 - Alamy

Alan mathison turing hi-res stock photography and images - Alamy

Alan turing hi-res stock photography and images - Page 4 - Alamy

Alan turing computer hi-res stock photography and images - Alamy

Alan turing computer hi-res stock photography and images - Alamy