James Challis
British astronomer (1803-1882) / From Wikipedia, the free encyclopedia
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.
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