Next, he acquired a number of prisms and experimented with them in his bedroom, even going so far as to bore a hole in his shutters so solely a small beam may come by means of. From this sprung his theories on optics. And right exterior his window at Woolsthorpe, there was an apple tree. The story of how Newton sat beneath the tree, was bonked on the pinnacle by an apple and instantly understood theories of gravity and movement, is largely apocryphal. But in keeping with his assistant, John Conduitt, there’s a component of fact. In London, a quarter of the inhabitants would die of plague from 1665 to 1666. It was one of the last main outbreaks within the 400 years that the Black Death ravaged Europe. Newton returned to Cambridge in 1667, theories in hand. Within six months, he was made a fellow