Clyde Tombaugh
Born: February 4, 1906
Died: January 17, 1997 (aged 90)
Bio: Clyde William Tombaugh was an American astronomer. He discovered Pluto in 1930, the first object to be discovered in what would later be identified as the Kuiper belt. At the time of discovery, Pluto was considered a planet but was later reclassified as a dwarf planet.
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