 Complete the following phrase:  In June 1661, he was admitted to Trinity College, Cambridge, on the recommendation of his uncle Rev William Ayscough, who had studied there. He started as a subsizarpaying his way by performing valets dutiesuntil he was awarded a scholarship in 1664, guaranteeing him four more years until he could get his MA. At that time, the colleges teachings were based on those of Aristotle, whom Newton supplemented with modern philosophers such as Descartes, and astronomers such as Galileo and Thomas Street, through whom he learned of Keplers work. He set down in his notebook a series of Quaestiones about mechanical philosophy as he found it. In 1665, he discovered the generalised binomial theorem and began to develop a mathematical theory that later became calculus. Soon after Newton had obtained his BA degree in August 1665, the university temporarily closed as a precaution against the 