At My AgePeople

Isaac Newton · every age

What was Isaac Newton doing at 48?

Invented calculus and gravity theory in a plague year at 23

  1. c. 1691

    Drafted De Quadratura Curvarum, with the Taylor series

    The draft dates from 1691 to 1692.

    Source: en.wikipedia.org
See it at your age

Others at 48

Portrait: Portrait: Godfrey Kneller (1689), public domain, via Wikimedia Commons · source