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Gleason, Henry Allan

(Encyclopedia)Gleason, Henry Allan glēˈsən [key], 1882–1975, American botanist, plant geographer, and plant ecologist. His floristic studies of North American vegetation led to his “individualistic concept o...

Cormack, Allan MacLeod

(Encyclopedia)Cormack, Allan MacLeod məkloudˈ, côrˈmək [key], 1924–98, American physicist, b. Johannesburg, South Africa. After studying at the Univ. of Cape Town (B.S. physics, 1944, M.S. crystallography, 1...

Wilson, Robert Woodrow

(Encyclopedia)Wilson, Robert Woodrow, 1936–, American radio astronomer, b. Houston, Tex., Ph.D. California Institute of Technology, 1962. In 1964 he and co-researcher Arno Penzias began monitoring radio waves in ...

Pinkerton, Allan

(Encyclopedia)Pinkerton, Allan, 1819–84, American detective, founder of the Pinkerton National Detective Agency, b. Glasgow, Scotland. A cooper by trade, he emigrated to the United States in 1842 and opened in We...

Poe, Edgar Allan

(Encyclopedia)Poe, Edgar Allan, 1809–49, American poet, short-story writer, and critic, b. Boston. He is acknowledged today as one of the most brilliant and original writers in American literature. His skillfully...

Nevins, Allan

(Encyclopedia)Nevins, Allan, 1890–1971, American historian, b. Camp Point, Ill. After studying at the Univ. of Illinois, he followed a career in journalism until 1927. Teaching at Columbia from 1928, he became a ...

MacNab, Sir Allan Napier

(Encyclopedia)MacNab, Sir Allan Napier, 1798–1862, Canadian political leader, b. Ontario. He fought in the War of 1812 and later became a lawyer. A staunch supporter of English policies, he commanded “the men o...

Sandage, Allan Rex

(Encyclopedia)Sandage, Allan Rex, 1926–2010, American astronomer, b. Iowa City, Iowa, Ph.D. California Institute of Technology, 1953. He was a graduate student under Walter Baade and an assistant to Edwin Hubble....

Kapitza, Peter

(Encyclopedia)Kapitza, Peter käˈpētsə [key], 1894–1984, Russian physicist, educated at the polytechnic institute of Petrograd (now St. Petersburg) and at Cambridge. He developed equipment (for a laboratory at...

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