At My AgePeople

Isaac Newton · every age

What was Isaac Newton doing at 44?

Invented calculus and gravity theory in a plague year at 23

  1. Jul 5, 1687

    Published the Principia at 44

    Three laws of motion and universal gravitation in one book. Edmond Halley paid for the printing.

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

Others at 44

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