Alvan Clark

Alvan Clark

Infobox_Scientist
name = Alvan Clark


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birth_date = birth date|1804|3|8|mf=y
birth_place = Ashfield, Massachusetts
death_date = death date and age|1887|8|19|1804|3|8|mf=y
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citizenship =
nationality = American
ethnicity =
field = Astronomy
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Alvan Clark (March 8, 1804–August 19, 1887), born in Ashfield, Massachusetts, the descendant of a Cape Cod whaling family of English ancestry, [http://www.nndb.com/people/702/000167201/] was an American astronomer and telescope maker. He was a portrait painter and engraver, but at the age of 40 become involved in telescope making. Using glass blanks made by Chance Brothers of Birmingham and Feil-Mantois of Paris, his firm "Alvan Clark & Sons" ground lenses for refracting telescopes, including the largest in the world at the time: the convert|18.5|in|mm|sing=on at Dearborn Observatory at the Old University of Chicago (the lens was originally intended for Ole Miss), the convert|26|in|mm|sing=on at the United States Naval Observatory, the convert|30|in|mm|sing=on at Pulkovo Observatory (destroyed in the Siege of Leningrad; only the lens survives), the convert|36|in|mm|sing=on telescope at Lick Observatory (still third-largest) and later the convert|40|in|mm|sing=on at Yerkes Observatory, which remains the largest successful refracting telescope in the world. One of Clark's sons, Alvan Graham Clark, discovered the dim companion of Sirius. His other son was George Bassett Clark; both sons were partners in the firm.

Craters on the Moon and on Mars are named in his honor.

See also

*List of astronomical instrument makers
*List of largest optical refracting telescopes

References

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Persondata
NAME= Clark, Alvan
ALTERNATIVE NAMES=
SHORT DESCRIPTION= American astronomer
DATE OF BIRTH= March 8, 1804
PLACE OF BIRTH= Ashfield, Massachusetts
DATE OF DEATH= August 19, 1887
PLACE OF DEATH=


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  • Alvan Clark — Saltar a navegación, búsqueda Telescopio de Clark Alvan Clark (1804 1887). Pintor retratista norteamericano aficionado a la astronomía, y más tarde constructor de lentes astronómicas. Alvan Clark fue un pintor retrastista afincado en… …   Wikipedia Español

  • Alvan Clark — ist der Name folgender Personen: Alvan Clark (Astronom) (1804–1887), US amerikanischer Astronom und Teleskopbauer Alvan Graham Clark (1832–1897), US amerikanischer Astronom Diese Seite ist eine Begriffsklärung zur Unters …   Deutsch Wikipedia

  • Alvan Clark — Pour les articles homonymes, voir Clark. Leah, Télescope de 8 pouces d Alvan Clark Sons au Chabot Space and Science Center Alvan Clark (8 mars 1804 …   Wikipédia en Français

  • Alvan Clark & Sons — was an American maker of optics that became famous for crafting lenses for some of the largest refracting telescopes of the nineteenth and early twentieth centuries. Founded in 1846 in Cambridgeport, Massachusetts by Alvan Clark (1804 ndash;1887 …   Wikipedia

  • Alvan Clark (Astronom) — Das 8 Teleskop der Firma Alvan Clark Sons das heute im Chabot Space and Science Center (Kalifornien, USA) steht Alvan Clark (* 8. März 1804 in Ashfield, Massachusetts; † 19. August 1887 in Cambridge, Massachusetts) war ein US amerikanischer… …   Deutsch Wikipedia

  • Alvan Graham Clark — Saltar a navegación, búsqueda Alvan Graham Clark y su asistente (a la derecha) Alvan Graham Clark (1832 1897). Óptico norteamericano, constructor de grandes objetivos para telescopios refractores. Inició su aprendizaje en el fundido, talla y… …   Wikipedia Español

  • Clark (lunar crater) — Coordinates 38°24′S 118°54′E / 38.4°S 118.9°E / …   Wikipedia

  • Alvan Graham Clark — (links). Alvan Graham Clark (* 10. Juli 1832 in Fall River, Massachusetts; † 9. Juni 1897 in Cambridge, Massachusetts) war ein US amerikanischer Astronom und Teleskopbauer. Er war der Sohn des Teleskopbauers Alvan Cla …   Deutsch Wikipedia

  • Clark (Familienname) — Clark ist ein englischer Familienname. Herkunft und Bedeutung Der Name entspricht dem neuenglischen clerk und damit in etwa dem deutschen Namen Schreiber. Varianten Clarke, Clerke Bekannte Namensträger Inhaltsverzeichnis A B C D …   Deutsch Wikipedia

  • Clark — Clark, Alvan Clark, John Maurice Clark, Mark Wayne * * * (as used in expressions) Clark Fork, río Clark, Champ James Beauchamp Clark Clark, Dick Richard Wagstaff Clark Clark, George Rogers …   Enciclopedia Universal

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