He continued his early studies in Portobello Road, London at the North Kensington Secondary School, until the age of 14.
Upon his return to civilian life, he worked as Personal Assistant to Harry Arkle, European Managing Director, Canadian Pacific Railway and Bill Nicol, Deputy Chairman of Guest, Keen & Nettlefolds, Redditch, near Birmingham.
On his 29th birthday, Dennis saw his first play, a production of Look Back in Anger at the Birmingham Repertory Theatre starring Derek Jacobi, and dictated his resignation the following day.
The Brain of Pooh at the ADC Theatre, Cambridge, given in celebration of the 50th anniversary of the publication of Winnie-the-Pooh written by A.
throughout the following decades at more than eighty venues throughout America and Europe, from the Hollywood Bowl under the baton of conductor George Daugherty to the Palace of Westminster in London at the invitation of the Prime Minister.
[citation needed] Dennis died on 18 April 2009 in Shadow Hills, Los Angeles, California, USA.