Portrait of Sir Isaac Newton, by John Smith (1652-1743), after Godfrey Kneller (1646-1723) Half-length portrait of Newton aged 59 in 1702. Oval frame, Newton is wigged, wearing a loose wrap over a white shirt open at the neck. "Isaacus Newton Eq. Aur. Kneller Eques pinx. J.Smith fecit et ex. 1712". Keynes, XLIII-1. 1712