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Conon

(Encyclopedia)Conon kōˈnŏn, –nən [key], 3d cent. b.c., Greek astronomer and mathematician of Samos. He traveled in the western part of the Greek world making astronomical observations, then settled at Alexand...

Bombelli, Rafael

(Encyclopedia)Bombelli, Rafael, 1526–1572, Italian mathematician and engineer, b. Bologna. When a marsh reclamation project (c.1550–1560) in the Tuscan Appenines on which he was an engineer was suspended, he pe...

Anthemius of Tralles

(Encyclopedia)Anthemius of Tralles ănthēˈmēəs, trălˈēz [key], fl. 6th cent., Greek architect, engineer, and mathematician. By order of Emperor Justinian and with the aid of Isidorus of Miletus, he built (53...

Shaker Heights

(Encyclopedia)Shaker Heights, city (1990 pop. 30,831), Cuyahoga co., NE Ohio, a residential suburb of Cleveland; inc. 1912. Founded (1905) as a suburban development by Cleveland businessmen Oris and Mantis Van Swer...

Regiomontanus

(Encyclopedia)Regiomontanus rēˌjēōmŏnˌtāˈnəs [key] [Lat.,=belonging to the royal mountain, i.e., to Königsberg], 1436–76, German astronomer and mathematician, b. Königsberg. His original name was Johan...

Heron of Alexandria

(Encyclopedia)Heron of Alexandria hērˈŏn [key] or Hero, mathematician and inventor. The dates of his birth and death are unknown; conjecture places them between the 2d cent. b.c. and the 3d cent. a.d. He is beli...

Grassmann, Hermann Günther

(Encyclopedia)Grassmann, Hermann Günther hĕrˈmän günˈtər gräsˈmän [key], 1809–77, German mathematician and Sanskrit scholar, educated in Berlin. He invented a new algebra of vectors (somewhat similar to...

Apollodorus, Greek scholar

(Encyclopedia)Apollodorus (of Athens), fl. 2d cent. b.c., Greek scholar. He wrote many works on grammar, history, and mythology. His best-known books, only fragments of which survive, are On the Gods, a prose treat...

Hercules, Greek hero

(Encyclopedia)Hercules both: hĕrˈəklēzˌ [key], most popular of all Greek heroes, famous for extraordinary strength and courage. Alcmene, wife of Amphitryon, made love to both Zeus and her husband on the same n...

Hipparchus, Greek astronomer

(Encyclopedia)Hipparchus, fl. 2d cent. b.c., Greek astronomer, b. Nicaea, Bithynia. He is the first systematic astronomer of whom there are records. He made his observations chiefly on the island of Rhodes. Ptolemy...