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Brown, Helen Gurley

(Encyclopedia)Brown, Helen Gurley, 1922–2012, American writer and editor, b. Green Forest, Ark. A child of poverty, she became a successful advertising copywriter and wrote the best-selling Sex and the Single Gir...

Jewett, Sarah Orne

(Encyclopedia)Jewett, Sarah Orne, 1849–1909, American novelist and short-story writer, b. South Berwick, Maine. Her studies of small-town New England life are perceptive, sympathetic, and gently humorous. After c...

resolving power

(Encyclopedia)resolving power: see telescope.

power brake

(Encyclopedia)power brake: see brake.

Blackburn, Elizabeth Helen

(Encyclopedia)Blackburn, Elizabeth Helen, 1948–, Australian-American molecular biologist, b. Hobart, Tasmania, Australia, Ph.D. Cambridge, 1975. Blackburn was a professor at the Univ. of California, Berkeley, fro...

Thomas, Helen Amelia

(Encyclopedia)Thomas, Helen Amelia, 1920–2013, American journalist, b. Winchester, Ky., grad Wayne State Univ. (B.A., 1942). The daughter of Lebanese immigrants, she was a pioneering woman journalist in an era do...

Taussig, Helen Brooke

(Encyclopedia)Taussig, Helen Brooke, 1898–1986, American physician, b. Cambridge, Mass., M.D. Johns Hopkins Univ., 1927. She spent her entire career at Johns Hopkins, where she founded the field of pediatric card...

Siddons, Sarah Kemble

(Encyclopedia)Siddons, Sarah Kemble, 1755–1831, English actress. The most distinguished of the famous Kemble family, she had early theatrical experience in her father's traveling company, and at 18 she married Wi...

Hale, Sarah Josepha (Buell)

(Encyclopedia)Hale, Sarah Josepha (Buell), 1788–1879, American author, editor, and feminist, b. near Newport, N.H. In 1828 she became editor of the Ladies' Magazine, Boston, and in 1837 of Godey's Lady's Book, Ph...

power, in physics

(Encyclopedia)power, in physics, time rate of doing work or of producing or expending energy. The unit of power based on the English units of measurement is the horsepower, devised for describing mechanical power b...