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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...

Hesse, Philip of

(Encyclopedia)Hesse, Philip of: see Philip of Hesse. ...

Hesychius of Alexandria

(Encyclopedia)Hesychius of Alexandria hēsĭkˈēəs [key], fl. 5th cent.?, Alexandrian grammarian. Hesychius is known as the compiler of an invaluable lexicon, a glossary of unusual words and expressions occurring...

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...

Holland, Parts of

(Encyclopedia)Holland, Parts of: see Lincolnshire. ...

Hales, Alexander of

(Encyclopedia)Hales, Alexander of: see Alexander of Hales. ...

Hanover, house of

(Encyclopedia)Hanover, house of, ruling dynasty of Hanover (see Hanover, province), which was descended from the Guelphs and which in 1714 acceded to the British throne in the person of George I. George was the gra...

Angus, earls of

(Encyclopedia)Angus, earls of. For Scottish nobles thus titled, use Douglas, Archibald.

Abraham, Plains of

(Encyclopedia)Abraham, Plains of, fairly level field adjoining the upper part of the city of Quebec, Canada. There, in 1759, the English under Gen. James Wolfe defeated the French under Gen. Louis Montcalm. The bat...

grass-of-Parnassus

(Encyclopedia)grass-of-Parnassus: see saxifrage. ...