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Alvan Graham Clark ( July 10, 1832 – June 9, 1897), born in Fall River, Massachusetts, was an American astronomer and telescope-maker. He was the son of Alvan Clark. In 1862, while testing a new 18-inch refracting telescope he discovered Sirius B, the magnitude 8 companion of Sirius.

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Alvan Graham ClarkAlvan Graham Clark ( July 10, 1832 June 9, 1897), born in Fall River, Massachusetts, was an American astronomer and telescope-maker. He was the son of Alvan Clark. In 1862, while testing a new 18-inch refracting telescope he discovered Sirius B, the magni	Alvan ClarkAlvan Clark ( March 8, 1804 August 19, 1887), born in Ashfield, Massachusetts, was an American astronomer and telescope maker. Using glass blanks made by Mantois of Paris his firm, Alvan Clark & Sons ground lenses for refracting telescopes, including the	Alvan T. FullerAlvan Tufts Fuller ( February 27, 1878- April 30, 1958) was an American political figure, and Governor of Massachusetts from 1925 until 1929. Fuller was born on February 27, 1878 in Boston, Massachusetts. Educated in the public schools, he ran a bicycle r
Alvanley JohnstonAlvanley Johnston ( May 12, 1875 September 17, 1951) was a U. labour leader. Johnston, Alvanley Johnston, Alvanley.