Ian Stewart (musician) Stewart's death Mick Jagger said: "He really helped this band swing, on numbers like 'Honky Tonk Women' and loads of others. Stu was the one guy we tried to please. We wanted his approval when we were writing or rehearsing a song. We'd want him to like it." Stewart contributed piano, organ, electric piano and/or percussion to all Rolling Stones albums released between 1964 and 1986, except for "Their Satanic Majesties Request", "Beggars Banquet", and "Some Girls". Stewart was not the only keyboard player who worked extensively with the band: Jack Nitzsche, Nicky Hopkins, Billy Preston, and Ian McLagan all
Ian Stewart (mathematician) on four popular science books based on Pratchett's "Discworld". In 1999 Terry Pratchett made both Jack Cohen and Professor Ian Stewart "Honorary Wizards of the Unseen University" at the same ceremony at which the University of Warwick gave Terry Pratchett an honorary degree. In March 2014 Ian Stewart's iPad app, Incredible Numbers by Professor Ian Stewart, launched in the App Store. The app was produced in partnership with Profile Books and Touch Press. In 1995 Stewart received the Michael Faraday Medal and in 1997 he gave the Royal Institution Christmas Lecture on "The Magical Maze". He was elected as a