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ammonium chloride

(Encyclopedia)ammonium chloride əmōˈnēəm klôrˈīd [key], chemical compound, NH4Cl, a white or colorless, odorless, water-soluble, cubic crystalline salt with a biting taste, commonly known as sal ammoniac. I...

Howard, Leland Ossian

(Encyclopedia)Howard, Leland Ossian, 1857–1950, American entomologist, b. Rockford, Ill., grad. Cornell (B.S., 1877), Ph.D. Georgetown Univ., 1896. Associated with the U.S. Bureau of Entomology from 1878 (as its ...

du Vigneaud, Vincent

(Encyclopedia)du Vigneaud, Vincent dyo͞o vēnˈyō [key], 1901–78, American biochemist, b. Chicago. He was professor of biochemistry and head of the department at George Washington Univ. school of medicine (1932...

Hamilton, Alice

(Encyclopedia)Hamilton, Alice, 1869–1970, American toxicologist, physician, and educator, b. New York City, M.D. Univ. of Michigan, 1893; she continued her studies in Germany. A pioneer in industrial diseases and...

Sims, James Marion

(Encyclopedia)Sims, James Marion, 1813–83, American gynecologist and surgeon, b. Lancaster co., S.C., M.D. Jefferson Medical College, Philadelphia, 1835. He initially practiced in Mt. Meigs and Montgomery, in Ala...

Sloan Foundation

(Encyclopedia)Sloan Foundation, fund established (1934) by automobile executive Alfred P. Sloan, Jr. as a philanthropic institution supporting research in various areas. In its early years it stressed support of U....

Brown, Michael Stuart

(Encyclopedia)Brown, Michael Stuart, 1941–, American molecular geneticist, b. New York City, M.D. Univ. of Pennsylvania, 1966. He worked (1968–71) as a researcher at the National Institutes of Health before goi...

Walker, Mary Edwards

(Encyclopedia)Walker, Mary Edwards, 1832–1919, American surgeon and feminist, b. Oswego, N.Y., grad. Syracuse Medical College, 1855. At the beginning of the Civil War she offered her services to the Union army. F...

Mansfield, Sir Peter

(Encyclopedia)Mansfield, Sir Peter, 1933–2017, British physicist, Ph.D. Queen Mary College, London, 1962. He was a professor at the Univ. of Nottingham from 1964 to 1994. In 2003 Mansfield shared the Nobel Prize ...

Bannister, Sir Roger Gilbert

(Encyclopedia)Bannister, Sir Roger Gilbert, 1929–2018, British athlete and neurologist. On May 6, 1954, at Oxford's Iffley Road track, Bannister, a medical student, became the first man to run the mile in less th...