Portrait of Sir Isaac Newton, by George Perfect Harding (1779/1780-1853), after David le Marchand (1674-1726) Head and shoulders portrait of Newton in an open shirt with folded drape. A drawing of the ivory bust now in the British Museum's collections. Inscribed below: "from a carving in ivory by Le Marchand" and signed lower right "G.P.Harding fecit." Commissioned by Charles Turnor. The sculpture upon which this work is based is Keynes, A.2. 1838