Original sentence: Eric Hobsbawm (born June 9, 1917) is a British historian and author, once the leading theoretician of the now defunct Communist Party of Great Britain.Hobsbawm has written extensively on a broad and diverse selection of subjects during the course of his career as one of Britain's most cosmopolitan and internationally renowned historians.Outside of academic historical writing, Hobsbawm has written (under the pseudonym Francis Newton--taken from the name of Billie Holiday's Communist trumpet player) for the New Statesman as a jazz critic and has numerous essays published in various intellectual journals, dealing with anything from barbarity in the modern age to the troubles of labour movements and the conflict between anarchism and communism
Edited sentence: Eric Hobsbawm (born June 9, 1917) is a British historian and author, earlier the  leading theoretician of the now defunct Communist Party of Great Britain.Hobsbawm has written extensively on a broad and diverse selection of subjects during the course of his illustrious career as Britain’s' most cosmopolitan and internationally renowned Historian.Outside of academic historical writing, Hobsbawm has written (under the pseudonym Francis Newton-taken from the name of Billie Holidays' Communist trumpet player) for the New Statesman as a jazz critic and has numerous essays published in various intellectual journals, dealing with anything from barbarity in the modern age to the troubles of labour movements and the conflict between anarchism and communism