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Clyde Tombaugh

Clyde Tombaugh
Clyde Tombaugh, American astronomer and academic, discovered Pluto (d. 1997)

Clyde William Tombaugh was an American astronomer. He discovered the ninth planet 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 reclassified as a dwarf planet in 2006. Tombaugh also discovered many asteroids, and called for the serious scientific research of unidentified flying objects.

4 February 1906

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Born on the same birth date (4 February 1906): Dietrich Bonhoeffer • Letitia Dunbar-Harrison

Born on the same birth day (4 February): Hylda Baker • Jiří Raška • Jonathan Larson • MacKinlay Kantor • Maximilian Wöber • Ola Skjåk Bræk

Born in the same month (February 1906): Adetokunbo Ademola • Agostinho da Silva • André Kostolany • Bugsy Siegel • Chester Carlson • Constance Stokes • Dietrich Bonhoeffer • Gale Gordon • George Adamson • Hans Asperger • John Carradine • Joseph Schull • Letitia Dunbar-Harrison • Lon Chaney Jr. • Madeleine Carroll • Mary Brian • Mary Chase (playwright) • Oleg Antonov (aircraft designer) • Puyi • Vera Menchik