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Forman, Miloš

(Encyclopedia)Forman, Miloš, 1932–2018, Czech-American filmmaker, b. Čáslav, Czechoslovakia (now in the Czech Republic), asJan Tomáš Forman. He attended film school in Prague and worked as a screenwriter and...

perspective

(Encyclopedia)perspective, in art, any method employed to represent three-dimensional space on a flat surface or in relief sculpture. Although many periods in art showed some progressive diminution of objects seen ...

compact disc

(Encyclopedia)compact disc (CD), a small plastic disc used for the storage of digital data. As originally developed for audio systems, the sound signal is sampled at a rate of 44,100 times a second, then each sampl...

censorship

(Encyclopedia)censorship, official prohibition or restriction of any type of expression believed to threaten the political, social, or moral order. It may be imposed by governmental authority, local or national, by...

Eggleston, William

(Encyclopedia)Eggleston, William (William Joseph Eggleston, Jr.), 1939–, American photographer credited with establishing color photography as an art form, b. Memphis Tenn. His early work in black and white was i...

Coles, Robert

(Encyclopedia)Coles, Robert, 1929–, American child psychiatrist, b. Boston, grad. Harvard (B.A., 1950), Columbia College of Physicians and Surgeons (M.D., 1954). He began working with children while in the air fo...

Frank, Robert

(Encyclopedia)Frank, Robert, 1924–2019, Swiss-American photographer and filmmaker, b. Zürich. He immigrated to the United States in 1947 and became a citizen in 1963. One of the 20th century's most influential p...

Halley's comet

(Encyclopedia)Halley's comet or Comet Halley hălˈē, hāˈlē [key], periodic comet named for Edmond Halley, who observed it in 1682 and identified it as the one observed in 1531 and 1607. Halley did not live to ...

oxalic acid

(Encyclopedia)oxalic acid ĕthˌāndīōĭk [key], HO2CCO2H, a colorless, crystalline organic carboxylic acid that melts at 189℃ with sublimation. Oxalic acid and oxalate salts are poisonous. Oxalic acid is found...

Arbus, Diane

(Encyclopedia)Arbus, Diane ärˈbəs [key], 1923–71, American photographer, b. New York City. For nearly 20 years Arbus operated a successful fashion photography studio with her husband, Allan Arbus. She studied ...