Complex sentence: Edward Jeffrey Irving Ardizzone (16 October, 1900-8 November, 1979) was a writer and illustrator of children's books, most notably the "Tim" series, featuring the maritime adventures of their eponymous young hero.
Split into simpler sentences: Edward Jeffrey Irving Ardizzone (16 October, 1900-8 November, 1979) was a writer and illustrator, especially of children's books. His best known work is the "Tim" series, featuring the maritime adventures of the eponymous young hero.