Richard Noel Marshall Armitage (12 August 1928 17 November 1986) was a talent agent, active in England in the 1950s1980s. Among his clients were Rowan Atkinson, John Cleese, David Frost and Stephen Fry. Producer John Lloyd described him as "the most powerful agent in the country at that time [the late 1970s]".

Based on that paragraph can we conclude that this sentence is true?
Marshall passed away in the last decade the century.
No