Original sentence: Bernard Martin argues in The Ancient Mariner and the Authentic Narrative that Coleridge was also influenced by the life of Anglican clergyman John Newton, who had a near-death experience aboard a slave ship
Edited sentence: Bernard Martin in The Ancient Mariner and the Authentic Narrative persuasively argues that Coleridge also was influenced by the life of Anglican clergyman John Newton whose near-death experience aboard a slave ship seems to be echoed in the work by Coleridge