BBC Online: Sir Isaac Newton: Detailed biography includes a look at Newton's early years and his developing interest in science.
Isaac Newton: A short biography.
Isaac Newton: Short biography and sketch from PBS.
Isaac Newton (1642 - 1727): Detailed biography reproduced from a 1908 history of mathematics.
Isaac Newton Links: Guide to some of the places, both real and virtual, with information about Newton's life and works.
Observations of Daniel and the Apocalypse of St. John: Summarizes how Newton was one of the most prolific writers about Bible prophecy, penning over a million words on the subject.
Sir Isaac Newton Resource Page: A tongue-in-cheek collection of "facts" about Newton, Liebniz, and Kepler.
The Chymistry of Isaac Newton: A description of Newton's work in alchemy, including the complete text of one of his lab notebooks.