Gresham provides outstanding educational talks and videos for the public free of charge. There are over 2,500 videos available on the Gresham website. Your support will help us to encourage people's love of learning for many years to come.
Author, journalist and TV producer, specialising in science and mathematics. His books include 'Fermat’s Last Theorem', 'The Code Book: A history of codes and codebreaking', 'Big Bang' and 'Trick of Treatment?'.