Ian Carr, who died on 25th February, 2009, was an influential Scottish trumpeter and writer who documented the lives of jazz greats. During the 1960s he was co-leader of the Rendell-Carr Quintet with saxophonist Don Rendell In 1970 he founded the pioneering jazz-rock outfit Nucleus who released a dozen albums, toured internationally and were given first prize at the Montreux Jazz Festival. He also worked as a session musician for a variety of artists including The Stan Tracey Big Brass. He had a regular column in BBC Music Magazine and wrote seven books, including biographies of Miles Davis and Keith Jarrett and several jazz guides and companions. He also contributed to several radio documentaries. In 1987 he took up the post of associate professor at the Guildhall School of Music and Drama in London.