James Challis | |
|---|---|
 | |
| Born | 12 December 1803 Braintree, Essex, England |
| Died | 3 December 1882 (aged 78) Cambridge, England |
| Known for | Not discovering Neptune |
| Scientific career | |
| Fields | Astronomy |
| Institutions | Cambridge Observatory |
James Challis FRS (12 December 1803 – 3 December 1882) was an English clergyman, physicist and astronomer. Plumian Professor of Astronomy and Experimental Philosophy and the director of the Cambridge Observatory, he investigated a wide range of physical phenomena though made few lasting contributions outside astronomy. He is best remembered for his missed opportunity to discover the planet Neptune in 1846.