James Melville Gilliss

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James Melville Gilliss, ca.1850.

James Melville Gilliss (born September 6, 1811 in Georgetown , Washington, DC , † February 9, 1865 in Washington, DC) was an American astronomer and officer in the Navy .

Life

Gillis joined the US Navy in 1827 at the age of 15, he had the rank of midshipman . He served on the "Delaware", the "Java" and the "Concord".

In 1831 he received the opportunity for a higher education by the Navy and studied first a year at the University of Virginia and then continued his studies in Paris . In 1837 he was transferred to the naval depot for displays and instruments as an assistant . He was also responsible for astronomical observations there.

He undertook an astronomical research trip under Captain Charles Wilkes , worked out corrections for the longitude determination, lunar orbit, invented new observation instruments and examined meteorological phenomena. In 1838 he was promoted to lieutenant .

Gilliss founded the United States Naval Observatory (Marine Observatory) in Washington DC in 1841 , which he headed from 1861 to 1865 with the rank of captain , as the first national research observatory in the USA. From 1848 to 1851 he made determinations on the parallax of the sun . He published many of his observations. In 1848 he was elected to the American Philosophical Society and in 1861 to the American Academy of Arts and Sciences .

In 1996 a library was named after him.

literature

Web links

Individual evidence

  1. ^ Member History: J. Melville Gilliss. American Philosophical Society, accessed August 20, 2018 .