In 1989 Anglia Television joined with Steven Spielberg's Amblin Entertainment, NBC and the Tokyo Broadcasting System to announce production of a 90-minute feature on the life of Stephen Hawking and his book A Brief History of Time. The film that resulted highlights the visual demonstration of Hawking's theories and this book provides an accompaniment to this film as well as a biography of Hawking's life, including his battle against motor neurone disease.