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Reston

(Encyclopedia) Reston, uninc. city (1990 pop. 48,556), Fairfax co., N Va., a residential and commercial suburb c. 20 mi (32 km) W of Washington, D.C. A planned community, it was established in 1961…

recapitulation

(Encyclopedia) recapitulation, theory, stated as the biogenetic law by E. H. Haeckel, that the embryological development of the individual repeats the stages in the evolutionary development of the…

environmental impact statement

(Encyclopedia) environmental impact statement, analysis of the impact that a proposed development, usually industrial, will have on the natural and social environment. It includes assessment of long…

Isaacs, Susan Sutherland

(Encyclopedia) Isaacs, Susan Sutherland, 1885–1948, British educator. After studying at the universities of Manchester and Cambridge, she became a lecturer in early childhood education. A disciple of…

Ives, Frederic Eugene

(Encyclopedia) Ives, Frederic Eugene, 1856–1937, American inventor, b. Litchfield, Conn. A pioneer in the development of orthochromatic and trichromatic photography and of photoengraving, he followed…

MacDiarmid, Alan Graham

(Encyclopedia) MacDiarmid, Alan Graham, 1927–2007, American chemist, b. Masterton, New Zealand, Ph.D. Univ. of Wisconsin, Madison, 1953, Ph.D. Cambridge, 1955. MacDiarmid was on the faculty at the…

Duque Márquez, Iván

(Encyclopedia) Duque Márquez, Iván, 1976–, Colombian lawyer and political leader, b. Bogotá, grad. Sergio Arbolida Univ., Bogotá, 2000, studied American Univ. and Georgetown Univ., Washington, D.C.…

Hoffmann, Jules Alphonse

(Encyclopedia) Hoffmann, Jules Alphonse, 1941–, French biologist, Ph.D. Univ. of Strasbourg, 1969. Hoffmann was a researcher at the French National Center for Scientific Research, Strasbourg, from…

Hänsch, Theodor Wolfgang

(Encyclopedia) Hänsch, Theodor Wolfgang, 1941–, German physicist, Ph.D. Heidelberg, 1969. He was a professor at Stanford from 1975 to 1986 and then became head of the Max Planck Institute for Quantum…

Hahn, Otto

(Encyclopedia) Hahn, OttoHahn, Ottoôˈtō hän [key], 1879–1968, German chemist and physicist. His important contributions in the field of radioactivity include the discovery of several radioactive…