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biogenetic law

(Encyclopedia)biogenetic law, in biology, a law stating that the earlier stages of embryos of species advanced in the evolutionary process, such as humans, resemble the embryos of ancestral species, such as fish. T...

Hofstadter, Robert

(Encyclopedia)Hofstadter, Robert, 1915–90, American physicist, b. New York City, Ph.D. Princeton, 1938. He taught at Princeton from 1938 to 1950 and also worked at the National Bureau of Standards during World Wa...

Steffen, Albert

(Encyclopedia)Steffen, Albert älˈbĕrt shtĕfˈən [key], 1884–1963, Swiss novelist, poet, and playwright, who wrote in German. His works are concerned with the martyrdom and redemption of Christ. To Steffen th...

minnesinger

(Encyclopedia)minnesinger mĭnˈĭsĭngˌər [key], a medieval German knight, poet, and singer of Minne, or courtly love. Originally imitators of Provençal troubadours, minnesingers developed their own style in th...

Bernadotte, Count Folke

(Encyclopedia)Bernadotte, Count Folke fôlˈkə bĕrnädôtˈ, bûrˈnədŏt [key], 1895–1948, Swedish internationalist; nephew of King Gustavus V. He was active in the Swedish Red Cross and became its president ...

Cohnheim, Julius

(Encyclopedia)Cohnheim, Julius yo͞oˈlyo͝os kōnˈhīm [key], 1839–84, German experimental histologist and pathologist. In a relatively brief life Cohnheim made a series of remarkable contributions to the rapid...

gamma radiation

(Encyclopedia)gamma radiation, high-energy photons emitted as one of the three types of radiation resulting from natural radioactivity. It is the most energetic form of electromagnetic radiation, with a very short ...

Keller, Gottfried

(Encyclopedia)Keller, Gottfried gôtˈfrēt [key], 1819–90, Swiss novelist, poet, and short-story writer. His vital, realistic, and purposeful fiction gives him a high place among 19th-century authors. Chief amon...

Greenberg, Clement

(Encyclopedia)Greenberg, Clement, 1909–94, American art critic, b. New York City. Greenberg's criticism was primarily concerned with art produced after abstract expressionism. This art, now known as color-field p...

Arcimboldo, Giuseppe

(Encyclopedia)Arcimboldo, Giuseppe jo͞ozĕpˈpā ärchēmbôlˈdō [key], 1527–93, Italian painter. The son of an artist, he began as a traditional portrait painter. Later, as court painter to Hapsburg kings Max...