Was Sir Isaac Newton a homosexual? The following was QI Fact of the Day on 10th November 2011: > Sir Isaac Newton was a cold, austere and difficult man. The slightest criticism of his work drove him into a furious rage, and his life was blighted by vicious feuds with other eminent mathematicians. A hypochondriac, obsessive, neurotic homosexual, he had no friends to speak of. **What evidence is there to support the claim that Newton was a homosexual?**

From the book **Sir Isaac Newton: Brilliant Mathematician and Scientist** :
(by **Natalie M. Rosinsky** )

> [Isaac Newton] spent almost all of 1689 in London [...] At that time, Newton began what was possibly the strongest personal relationship of his life. It was with a young Swiss mathematician named Nicolas Fatio de Duillier [...] **While there is no proof that either man was homosexual, their letters suggest that their affection for one another was romantic.**


From **The Newton Project** :

> **It has also been suggested - though this is purely conjectural and much disputed - that he was a repressed homosexual** ...


**More** :

* Times Higher Education - Core blimey! Was apple man gay?
* The Guardian - Gay history month to 'out' Newton and Nightingale