Task: Explanation
Input (English): Sir Isaac Newton {'1': ", '2': ", '3': ", '4': "} ( ; 25 December 1642 – 20 March 1726/27) was an English mathematician, astronomer, and physicist (described in his own day as a "natural philosopher") who is widely recognised as one of the most influential scientists of all time and a key figure in the scientific revolution. His book "Philosophiæ Naturalis Principia Mathematica" ("Mathematical Principles of Natural Philosophy"), first published in 1687, laid the foundations of classical mechanics. Newton also made pathbreaking contributions to optics, and he shares credit with Gottfried Wilhelm Leibniz for developing the infinitesimal calculus. Question: Benjamin Pulleyn was the Cambridge tutor of an English mathematician, astronomer, and physicist, whose book,Mathematical Principles of Natural Philosophy, was first published in what year?  Answer: 1687
Output (English):  His book Philosophiæ Naturalis Principia Mathematica Mathematical Principles of Natural Philosophy, first published in 1687, laid the foundations of classical mechanics.