The Pitt Estate, British History Online. A lengthy article about the neighborhood where Newton spent the last two years of his life. Excerpted from Survey of London: volume 37, edited by F.H.W. Sheppard (1973).
Newton Court, Kensington, London on Google Maps. Newton lived on this block from 1725 to his death in 1727 and told the story of the apple to his biographer William Stukeley near a grove of apple trees in this general area.
Philosophiæ Naturalis Principia Mathematica (Mathematical Principals of Natural Phiolosopy), Isaac Newton, 5 July 1687
The Apple and the Moon, The first real steps toward space travel are made as Newton discovers that gravity describes the force between any two particles in the universe.
The Kepler Problem, The deduction of Kepler's laws from Newton's universal law of gravitation is one of the crowning achievements of Western thought.
Harmony of the Spheres, A last lingering look back at mechanics to see new connections between old discoveries.