The 1689 Godfrey Kneller portrait (color, 67K)
The 1726 Enoch Seeman portrait (black & white, 63K)
The 1726 John Venderbank portrait (color, 6K)
Source: David Eugene Smith "A Source book in Mathematics" (Vol. 2); Dover, New York, 1959
You can find here the existing portraits of Sir Isaac Newton.
You can click onto a portrait to get a bigger picture.
The 1689 Godfrey Kneller portrait (color, 67K)
The 1726 Enoch Seeman portrait (black & white, 63K)
The 1726 John Venderbank portrait (color, 6K)
Further links to the Newton's gallery
(c) ISAAC , 1995-1999