James Challis

From Wikipedia, the free encyclopedia
Jump to: navigation, search
James Challis.jpg

James Challis (12 December 1803 – 3 December 1882) was an English clergyman, physicist and astronomer. Plumian Professor and 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.