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alchemy

(Encyclopedia)alchemy ălˈkəmē [key], ancient art of obscure origin that sought to transform base metals (e.g., lead) into silver and gold; forerunner of the science of chemistry. Some scholars hold that it was ...

Mitchell, Peter Dennis

(Encyclopedia)Mitchell, Peter Dennis, 1920–92, British chemist, Ph.D. Cambridge, 1950. A professor at the Univ. of Edinburgh (1955–63), Mitchell was named director of Glynn Research Laboratories in 1964. He for...

Duhem, Pierre Maurice Marie

(Encyclopedia)Duhem, Pierre Maurice Marie pyĕr mōrēsˈ märēˈ düĕmˈ [key], 1861–1916, French physicist and philosopher and historian of science. After studying at the École Normale Supérieure he taught ...

Hell, Stefan Walter

(Encyclopedia)Hell, Stefan Walter, 1962–, German physicist, Ph.D. Heidelberg Univ., 1990. Hell worked at the European Molecular Biology Laboratory in Heidelberg (1991–93) and at the Univ. of Turku in Finland (1...

Rowland, Frank Sherwood

(Encyclopedia)Rowland, Frank Sherwood, 1927–2012, American chemist, b. Delaware, Ohio, Ph.D. Univ. of Chicago, 1952. Rowland taught at Princeton from 1952 to 1956 and at the Univ. of Kansas from 1956 to 1964, whe...

Munich, Technical University of

(Encyclopedia)Munich, Technical University of, at Munich, Germany; founded 1868 by King Ludwig II, acquired its present name 1970. It has three main campuses, with faculties of architecture, business administration...

Aston, Francis William

(Encyclopedia)Aston, Francis William, 1877–1945, English physicist and chemist. He was affiliated with the Cavendish Laboratory, Cambridge, from 1910. In 1922 he received the Nobel Prize in Chemistry mainly for h...

transactinide elements

(Encyclopedia)transactinide elements trănsˌăkˈtənīdˌ [key], in chemistry, elements with atomic numbers greater than that of lawrencium (at. no. 103), the last member of the actinide series. See transuranium ...

Herzberg, Gerhard

(Encyclopedia)Herzberg, Gerhard gĕrˈhärt hûrtsˈbûrg [key], 1904–99, Canadian physicist, b. Hamburg, Germany. He studied at Darmstadt, Göttingen, and Bristol, England, receiving a doctorate in engineering p...

Karle, Jerome

(Encyclopedia)Karle, Jerome kärl [key], 1918–2013, American physicist, b. New York City, Ph.D. Univ. of Michigan, 1943. He worked on the Manhattan Project before beginning a career (1946–2009) at the U.S. Nava...