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A. E. (Andrew Ellicott) Douglass (July 5, 1867 in Windsor, Vermont – March 20, 1962 in Tucson, Arizona) was an American astronomer. He discovered a correlation between tree rings and the sunspot cycle , and founded the discipline of dendrochronology , which is a method of dating wood by analyzing the growth ring pattern.
Andrew Ellicott (January 24, 1754 – August 28, 1820) was an American land surveyor who helped map many of the territories west of the Appalachians, surveyed the boundaries of the District of Columbia, continued and completed Pierre (Peter) Charles L'Enfant's work on the plan for Washington, D.C., and served as a teacher in survey methods for Meriwether Lewis.
15420 Aedouglass (Andrew Ellicott Douglass, American astronomer) 15467 Aflorsch ... (Sylvie Petiaux-Hugo Flammarion, first wife of the astronomer Camille Flammarion; ...
He received the document prior to leaving the university in 1796 to assist the astronomer Andrew Ellicott with determining the Southern boundary of the United States after the 1795 Treaty of San Lorenzo with Spain. Gillespie served in the North Carolina militia as a second major in the War of 1812.
Steward Observatory owes its existence to the efforts of American astronomer and dendrochronologist Andrew Ellicott Douglass.In 1906, Douglass accepted a position as Assistant Professor of Physics and Geography at the University of Arizona in Tucson, Arizona.
Andrew Walker and his wife, Cassandra Troy, are partners in life and business. Walker and Troy’s love story dates back two decades: The couple first met in 2004 while the actor was back home ...
The Home Secretary and GMB presenter have been married for over 25 years and have three children together – they were the first married couple to serve in government alongside each other back in ...
The wife of Democratic presidential candidate Andrew Yang says she was sexually assaulted by an obstetrician while she was pregnant with the couple's first child. Evelyn Yang said in an interview ...