Columbia Encyclopedia

Search results

500 results found

Svedberg, Theodor

(Encyclopedia)Svedberg, Theodor or The tāˈōdôr svādˈbĕryə, tā [key], 1884–1971, Swedish chemist. He was professor of physical chemistry from 1912 to 1949 at the Univ. of Uppsala. For his fundamental rese...

Arrhenius, Svante August

(Encyclopedia)Arrhenius, Svante August sfänˈtə, ärāˈnēəs [key], 1859–1927, Swedish chemist. He was a professor of physics in Stockholm in 1895 and became director of the Nobel Institute for Physical Chemi...

Rayleigh, John William Strutt, 3d Baron

(Encyclopedia)Rayleigh, John William Strutt, 3d Baron rāˈlē [key], 1842–1919, English physicist. He was professor at Cambridge (1879–84) and at the Royal Institution (1887–1905), and chancellor of Cambridg...

Wöhler, Friedrich

(Encyclopedia)Wöhler, Friedrich frēˈdrĭkh vöˈlər [key], 1800–1882, German chemist. He studied under the German chemist Leopold Gmelin and J. J. Berzelius, a Swedish chemist, and in 1836 was appointed profe...

Ramsay, Sir William

(Encyclopedia)Ramsay, Sir William, 1852–1916, Scottish chemist. He was professor of chemistry at University College, Bristol (1880–87), and at University College, London (1887–1912). In his early experiments ...

biochemistry

(Encyclopedia)biochemistry, science concerned chiefly with the chemistry of biological processes; it attempts to utilize the tools and concepts of chemistry, particularly organic and physical chemistry, for elucida...

MacMillan, David W.C.

(Encyclopedia)MacMillan, David W.C., 1968–, b. Bellshill, U.K. Scotish chemist, James S. McDonnell Distiguished University Professor in Chemistry and ...

fluxional molecules

(Encyclopedia)fluxional molecules, molecules that exhibit rapid intramolecular rearrangements among their component atoms. As in structural isomerism and tautomerism (see isomer; tautomer), fluxional compounds main...

Lauterbur, Paul Christian

(Encyclopedia)Lauterbur, Paul Christian, 1929–2007, American chemist, b. Sidney, Ohio, Ph.D. Univ. of Pittsburgh, 1962. Lauterbur was (1969–85) a faculty member at the State Univ. of New York at Stony Brook (no...

radiology

(Encyclopedia)radiology, branch of medicine specializing in the use of X rays, gamma rays, radioactive isotopes, and other forms of radiation in the diagnosis and treatment of disease. X ray machines and fluoroscop...