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Powell, Lake

(Encyclopedia)Powell, Lake: see Glen Canyon Dam. ...

Frith, William Powell

(Encyclopedia)Frith, William Powell, 1819–1909, English anecdotal and genre painter. His early paintings were illustrations, such as his Scene from a Sentimental Journey (Victoria and Albert Mus.). Later he paint...

Powell, Cecil Frank

(Encyclopedia)Powell, Cecil Frank, 1903–69, British nuclear physicist, Ph.D. Cambridge, 1927. Powell joined the faculty at the Univ. of Bristol in 1927, was named Melville Wills Professor of Physics in 1948, and ...

Powell, Colin Luther

(Encyclopedia)Powell, Colin Luther, 1937–2021, U.S. army general and government official, b. New York City, grad., City College (B.S., 1958); George Washington Univ...

Powell, Jerome Hayden

(Encyclopedia)Powell, Jerome Hayden, 1953–, U.S. investment banker and government official, b. Washington, D.C., A.B. Princeton, 1975, J.D. Georgetown Univ., 1979. He worked with New York law firms and in investm...

Powell, John Wesley

(Encyclopedia)Powell, John Wesley, 1834–1902, American geologist and ethnologist, b. Mt. Morris (now part of New York City). The family moved to Illinois, where Powell joined the Natural History Society, making c...

dark energy

(Encyclopedia)dark energy, repulsive force that opposes the self-attraction of matter (see gravitation) and causes the expansion of the universe to accelerate. The search for dark energy was triggered by the discov...

Markham, Edwin

(Encyclopedia)Markham, Edwin, 1852–1940, American poet, b. Oregon City, Oreg. He grew up in California and later taught school there. In 1899 he achieved widespread popularity for the poem “The Man with the Hoe...

Klebs, Edwin

(Encyclopedia)Klebs, Edwin klāps [key], 1834–1913, German-American pathologist, b. Prussia. He was an assistant of Rudolf Virchow and professor of pathology at Zürich (1872–92) and from 1896 at Rush Medical C...

Muir, Edwin

(Encyclopedia)Muir, Edwin, 1887–1959, British author, b. Orkney Islands, Scotland. He moved with his family to Glasgow in 1901, where he remained for 18 years. In 1919 he went to London and joined the staff on th...