Who originated the proposition of the theory of gravitation?
Nicolas Fatio de Duillier Nicolas Fatio de Duillier {'1': ", '2': ", '3': ", '4': "} (also spelled Faccio or Facio; 16 February 1664 – 12 May 1753) was a Swiss-born mathematician, natural philosopher, and inventor. He spent much of his adult life in England and Holland. Fatio is known for his work on the zodiacal light problem in astronomy, for originating the "push" or "shadow" theory of gravitation, for his close association with both Christiaan Huygens and Isaac Newton, and for his role in the Newton v. Leibniz calculus controversy. He also invented and developed the first method for fabricating jewel bearings for mechanical watches and clocks.
William B. Bonnor William Bowen Bonnor (9 September 1920 – 17 August 2015) was a mathematician and gravitation physicist best known for his research into astrophysics, cosmology and general relativity. For most of his academic career he was a professor of mathematics at the University of London.