Provides a detailed biography, including a look at the times in which he lived, the importance of his discoveries, his life, and his death. Also includes a timeline.

Student-written profile introduces the thinker and his contributions to the world of math.

Detailed biography along with related links.

Offers a short summary of the scholar's life. Also provides a detailed look at his theory of flotation.

Encyclopedia article provides a brief overview of his life and accomplishments.