Mezzotint print of oil painting, portrait of Isaac Newton, 1712

Print, Isaacus Newton Eq: Aur. / G. Kneller Eques pinx. ; J. Smith Fecit et ex. 1712. Mezzotint, 50x34cm, cut to platemark: 35.5x26cm, oval image: 29.4x24.8cm. After an oil by Sir Godfrey Kneller,1702, NPG or Petworth House. Portrait of Sir Isaac Newton (1642-1727), HS in wig and gown, looking slightly l., in feigned oval. Isaac Newton phyicist and mathematician, key figure in scientific revolution, laid the foundation for classical mechanics and made seminal contributions to optics and calculus.