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silver nitrate

(Encyclopedia)silver nitrate nīˈtrāt [key], chemical compound, AgNO3, a colorless crystalline material that is very soluble in water. The most important compound of silver, it is used in the preparation of silve...

Weegee

(Encyclopedia)Weegee, pseud. of Arthur Fellig, 1899–1968, American photojournalist, b. Zolochiv, Ukraine (then in Austria-Hungary) as Usher Fellig. His family immigrated (1910) to New York City, where he soon qui...

Carroll, Lewis

(Encyclopedia)Carroll, Lewis, pseud. of Charles Lutwidge Dodgson, 1832–98, English writer, mathematician, and amateur photographer, b. near Daresbury, Cheshire (now in Halton). Educated at Christ Church College, ...

Ives, Frederic Eugene

(Encyclopedia)Ives, Frederic Eugene, 1856–1937, American inventor, b. Litchfield, Conn. A pioneer in the development of orthochromatic and trichromatic photography and of photoengraving, he followed an earlier su...

Boyle, Willard Sterling

(Encyclopedia)Boyle, Willard Sterling, 1924–2011, Canadian-American solid-state physicist, b. Amherst, N.S., Canada, Ph.D. McGill Univ., Montreal, 1950. Boyle was a researcher at Bell Laboratories in Murray Hill,...

special effects

(Encyclopedia)special effects, in motion pictures, cinematographic techniques that create illusions in the audience's minds as well as the illusions created using these techniques. Some common examples are the use ...

Siemens, Sir William

(Encyclopedia)Siemens, Sir William, 1823–83, English electrical engineer, b. Germany; brother of Ernst Werner von Siemens. Originally his name was Carl Wilhelm Siemens. After visiting England to introduce an elec...

Vishniac, Roman

(Encyclopedia)Vishniac, Roman vĭshˈnēăk [key], 1897–1990, Russian-American biologist, photographer, linguist, art historian, and philosopher, b. Pavlosk, near St. Petersburg. Vishniac took degrees in medicine...

camera

(Encyclopedia)CE5 Image formed by a camera camera, lightproof box or container, usually fitted with a lens, which gathers incoming light and concentrates it so that it can be directed toward the film (in an opt...

Huggins, Sir William

(Encyclopedia)Huggins, Sir William, 1824–1910, English astronomer. Using a spectroscope, he began to study the chemical constitution of stars from the observatory attached to his home in Tulse Hill, London. He pr...