Isaac Newton · every age
What was Isaac Newton doing at 29?
Invented calculus and gravity theory in a plague year at 23
- Jan 1672
Elected a Fellow of the Royal Society
His paper on light and colour that year drew a bitter dispute with Robert Hooke.
Source: en.wikipedia.org
Others at 29
Portrait: Portrait: Godfrey Kneller (1689), public domain, via Wikimedia Commons · source