Complex sentence: Hughes won the 1977 and 2003 Kate Greenaway Medals for British children's book illustration and her 1977 winner, "Dogger", was named in 2007 the public favourite winning work of the first fifty years.
Split into simpler sentences: Hughes won the 1977 and 2003 Kate Greenaway Medals for British children's book illustration. In 2007, her 1977 winner, "Dogger", was named the public's favourite winning work of the award's first fifty years.