Isaac Newton

Isaac Newton was an English mathematician and natural philosopher whose laws of motion and universal gravitation transformed the study of the physical world. He also developed calculus independently of Leibniz and made major discoveries about light and colour.

The day shown

Cambridge · 1686

Humphrey Newton, his assistant and copyist, remembered habits from about five years in Cambridge during the 1680s, when Newton worked on the Principia. Meals and rest could lose out to study. The year 1686 is representative, and the recollection is not a fixed daily timetable.