Frontispiece
Isaac Newton at forty-six, portrait by Sir Godfrey Kneller, 1689.
By kind permission of the Trustees of the Portsmouth Estates.
Photographed by Jeremy Whitaker.
2.1 Descartes’ vortices.
Gilbert-Charles le Gendre, Traite de l’opinion ou memoires pour servir à l’histoire de l’esprit humain (Paris, 1733).
2.2 Violent motion.
Newton’s Questiones, Add MS 3996, f. 98r.*
3.1 Drawing of apparatus.
Add MS 3965, f. 35v.*
3.2 Infinite series to square the hyperbola.
Add MS 4004, f. 81v.*
5.1 The bodkin in his eye.
Add MS 3975, f. 15.*
6.1 Newton’s reflecting telescope.
Philosophical Transactions, No. 81, March 25, 1672.
7.1 The Experimentum Crucis.
Correspondence I, p. 107.
7.2 Eye and prism.
Add MS 3996, f. 122r.*
11.1 Dueling diagrams, Newton and Hooke.
Correspondence II, pp. 301, 305, and 307.
11.2 Force toward the focus of an elliptical orbit.
Principia, Book I, Proposition XI.
12.1 Comet of 1680.
Principia, Book III, Proposition XLI.
14.1 Key to the cryptogram.
Add MS 4004, f. 81v.*
15.1 William Blake’s Newton, 1795.
© Tate Gallery, London/Art Resource, N.Y.
15.2 Newton’s death mask.
By John Michael Rysbrack. Keynes Collection, King’s College, Cambridge.
* By permission of the syndics of Cambridge University.