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Hypsicles of Alexandria

(Encyclopedia)Hypsicles of Alexandria hĭpˈsĭklēz [key], astronomer of ancient Greece. Some authorities place Hypsicles in the 2d cent. b.c. and some in the 2d cent. a.d. The 14th and 15th books of Euclid's Elem...

Senate, United States

(Encyclopedia)Senate, United States: see Congress of the United States. ...

Ocasio-Cortez, Alexandria

(Encyclopedia) Ocasio-Cortez, Alexandria, 1989- , American political activist and member of Congress, b. Bronx, N.Y., Boston College (B.A., 2011). Born to Puerto Ric...

Didymus of Alexandria

(Encyclopedia)Didymus of Alexandria, d. c.396, Greek grammarian and theologian, also called Didymus the Blind. His treatise On the Holy Ghost was translated by St. Jerome, who studied briefly with him. Although Did...

Clement of Alexandria

(Encyclopedia)Clement of Alexandria (Titus Flavius Clemens), d. c.215, Greek theologian. Born in Athens, he traveled widely and was converted to Christianity. He studied and taught at the catechetical school in Ale...

United States Supreme Court

(Encyclopedia)United States Supreme Court: see Supreme Court, United States. ...

Tariff Commission, United States

(Encyclopedia)Tariff Commission, United States: see International Trade Commission, United States. ...

Space Force, United States

(Encyclopedia)Space Force, United States (USSF), military force that forms a separate service within the U.S. Dept. of the Air Force, est. Dec. 20, 2019, by act of Congress. The head of the Space Force is the Chief...

Secret Service, United States

(Encyclopedia)Secret Service, United States, a law enforcement division (since 2003) of the Dept. of Homeland Security. It was established in 1865 in the the Dept. of the Treasury to investigate and prevent counter...

United States National Museum

(Encyclopedia)United States National Museum: see Smithsonian Institution. ...