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Torrey, John

(Encyclopedia)Torrey, John, 1796–1873, American botanist and chemist, b. New York City, M.D. College of Physicians and Surgeons, 1818. He was professor of chemistry (1827–55) at his alma mater and professor of ...

Silliman, Benjamin

(Encyclopedia)Silliman, Benjamin, 1779–1864, American chemist, geologist, and physicist, b. Trumbull, Conn., grad. Yale, 1796. In 1802 he was appointed first professor of chemistry and natural history at Yale; he...

Richards, Ellen Henrietta Swallow

(Encyclopedia)Richards, Ellen Henrietta Swallow, 1842–1911, American chemist, educator, and organizer of the home economics movement, b. Dunstable, Mass., grad. Vassar, 1870. In 1870 she began the study of chemis...

Marcus, Rudolph Arthur

(Encyclopedia)Marcus, Rudolph Arthur, 1923–, American chemist, b. Montreal, Canada. A professor at the California Institute of Technology, he was awarded the 1992 Nobel Prize in Chemistry for developing a theory ...

Dubochet, Jacques

(Encyclopedia)Dubochet, Jacques, 1942–, Swiss biophysicist and molecular biologist, Ph.D., Univ. of Geneva 1973. Dubochet was a researcher at the European Molecular Biology Laboratory in Heidelberg from 1978 to 1...

Hauptman, Herbert Aaron

(Encyclopedia)Hauptman, Herbert Aaron houptˈmän [key], 1917–2011, American chemist, b. Bronx, N.Y., grad. City College of New York (B.S., 1937) and Univ. of Maryland (Ph.D., 1955). In 1985, Hauptman and former ...

free radical

(Encyclopedia)free radical, in chemistry, a molecule or atom that contains an unpaired electron but is neither positively nor negatively charged. Free radicals are usually highly reactive and unstable. They are pro...

Olah, George Andrew

(Encyclopedia)Olah, George Andrew, 1927–2017, American chemist, b. Budapest, Ph.D. Budapest Univ. of Technology and Economics, 1949. Olah was a researcher at Dow Chemical from 1957 to 1965 and a professor at West...

Kroto, Harry

(Encyclopedia)Kroto, Harry (Sir Harold Walter Kroto), 1939–2016, British chemist, b. Harold Walter Krotoschiner, Ph.D. Univ. of Sheffield, 1964. Kroto was the son of German parents who fled Nazi rule to England. ...

Boussingault, Jean Baptiste Joseph Dieudonné

(Encyclopedia)Boussingault, Jean Baptiste Joseph Dieudonné zhäN bätēstˈ zhôzĕfˈ dyödônāˈ bo͞osăNgōˈ [key], 1802–87, French agricultural chemist. He was professor of chemistry at Lyons and later pr...