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CLYDE WILLIAM TOMBAUGH - AUTOGRAPH LETTER SIGNED 08/14/1986 - HFSID 29898

CLYDE W. TOMBAUGH The discoverer of the planet Pluto writes of naming planets, his job and the U.S. space program. Autograph Letter Signed: "Clyde W. Tombaugh", 1p, 11x8½. Photocopy of promotional page for his book Out of the Darkness: The Planet Pluto (written with Patrick Moore).

Sale Price $446.25

Reg. $525.00

Condition: lightly creased, otherwise fine condition
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CLYDE W. TOMBAUGH
The discoverer of the planet Pluto writes of naming planets, his job and the U.S. space program.
Autograph Letter Signed: "Clyde W. Tombaugh", 1p, 11x8½. Photocopy of promotional page for his book Out of the Darkness: The Planet Pluto (written with Patrick Moore). No place, 1986 August 14. To Richard Hehct. In full: "It is customary to name planets after Greek mythological deities. I worked 9 years at White Sands Missile Range 1946-1955. Then I joined the faculty at New Mexico State University, teaching and research for 18 years. Then retired 30 June 1973. The accomplishments of the American Space Program have been marvellous (sic), with the exception of the Shuttle disaster. The space craft missions to the planets have revolutionized our knowledge of the Solar System. See enclosures." Folds, none at signature. Fine condition. Accompanied by the enclosures mentioned: photocopies of pages 125-129 from Chapter 11 ("The Ninth Planet Discovered") of the book, 3p, 11x8½ (two printed pages per sheet). On two of the pages, Tombaugh has drawn arrows, underlined words and written notations for the recipient. Lightly creased. Stapled at upper left blank corner. Clyde W. Tombaugh (1906-1997) was hired in 1929 as an assistant by the Lowell Observatory in New Mexico to continue the search for a planet beyond Neptune, which had been initiated by Percival Lowell. Tombaugh used a blink microscope to compare photographs of a small part of the night sky and detect the planet. After ten months of painstaking comparisons, on February 18, 1930 he found Pluto in the constellation Gemini. Two items.

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