Percival Lowell
Astronomer
Notable Achievement
Mars canals theorist
Biography
Percival Lowell was an American businessman, author, mathematician, and astronomer who fueled speculation that there were canals on Mars, and furthered theories of a ninth planet within the Solar System. He founded the Lowell Observatory in Flagstaff, Arizona, and formed the beginning of the effort that led to the discovery of Pluto 14 years after his death.
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Birthday Date
Percival Lowell was born on March 13