Question: This American author, known for historical fiction, wrote a novel that vividly depicts the Berlin Airlift near its end.  Who is he?
{'answer': 'Leon Uris', 'supporting_facts': [['Armageddon: A Novel of Berlin', 0], ['Armageddon: A Novel of Berlin', 2], ['Leon Uris', 0], ['Leon Uris', 1]]}