Input (grade 13): Poul William Anderson (November 25, 1926 â "July 31, 2001) was an American science fiction author who began his career during one of the Golden Ages of the genre and continued to write and remain popular into the 21st century.
Output (grade 11): Poul William Anderson (November 25, 1926 â "July 31, 2001) was an American science fiction author. He began his career during the Golden Age of the genre and continued to write and remain popular into the 21st century.