Many other inventions marked Bell's later life, including groundbreaking work in optical telecommunications, hydrofoils and aeronautics. Although Bell was not one of the 33 founders of the National Geographic Society, he had a strong influence on the magazine while serving as the second president from January 7, 1898 until 1903.
What year did Bell become President of the National Geographic magazine?
{'text': '1898', 'answer_start': 314}