Complex sentence: Within fifty years of his death, he is recognized as an outstanding biblical exegete by Landolphus de Columna, who, in a list comprised of exegetes and commentaries written by him sometime before 1328, projects William as a biblical commentator of some repute.
Split into simpler sentences: Within fifty years of his death, William was recognized as an outstanding biblical exegete. In a list of biblical commentaries written by Landolphus de Columna sometime before 1328, William comes across as a biblical commentator of some repute.