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? 
Sentence (from "Philosophiæ Naturalis Principia Mathematica"): After annotating and correcting his personal copy of the first edition, Newton published two further editions, in 1713 and 1726.
Relevant evidence: No