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Eddington, Sir Arthur Stanley

(Encyclopedia) Eddington, Sir Arthur Stanley, 1882–1944, British astronomer and physicist. He was chief assistant (1906–13) at the Royal Observatory, Greenwich, and was from 1913 Plumian professor of…

Constantine, Roman general

(Encyclopedia) Constantine, d. 411, Roman general. He was proclaimed emperor by the Roman troops in Britain in 407 and led a revolt in Gaul and Spain against the Western emperor Honorius. He…

Antipater, Macedonian general

(Encyclopedia) AntipaterAntipaterăntĭpˈətər [key], d. 319 b.c., Macedonian general. He was one of the ablest and most trusted lieutenants of Philip II and was a friend and supporter of Alexander the…

Hannibal, Carthaginian general

(Encyclopedia) HannibalHannibalhănˈəbəl [key], b. 247 b.c., d. 183 or 182 b.c. Carthaginian general, an implacable and formidable enemy of Rome. Although knowledge of him is based primarily on the…

General Land Office

(Encyclopedia) General Land Office, established (1812) in the U.S. Treasury Dept. and transferred (1849) to the U.S. Dept. of the Interior. Empowered to survey, manage, and dispose of the public…

New General Catalog

(Encyclopedia) New General Catalog (NGC), standard reference list of nebulae (see nebula). It is based on the General Catalog, published in 1864, which included 2,500 nebulae cataloged by William…

Pausanias, Spartan general

(Encyclopedia) PausaniasPausaniaspôsāˈnēəs [key], d. c.470 b.c., Spartan general; nephew of King Leonidas. He was the victorious commander at Plataea (479) near Thebes in the Persian Wars and…

Aetius, Roman general

(Encyclopedia) Aetius, c.396–454, Roman general. At first unfriendly to Valentinian III, he later made his peace with Valentinian's mother, Galla Placidia, and was given a command in Gaul. An…

Orestes, Roman general

(Encyclopedia) OrestesOrestesōrĕstˈēz [key], d. 476, Roman general. With the help of barbarians he deposed (475) the Roman emperor of the West, Julius Nepos, and raised his own son, Romulus…