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Saint-Dié

(Encyclopedia)Saint-Dié săN-dyā [key], city (1990 pop. 23,670), Vosges dept., E France, in Lorraine, on the Meurthe River. It is an industrial center where foundry products, chemical products, and machinery are ...

Mariupol

(Encyclopedia)Mariupol zhdänˈəf [key], city (1989 pop. 520,000), SE Ukraine, on the Sea of Azov and at the mouth of the Kalmius River. A seaport and railroad terminus, Mariupol is also an iron and steel center w...

Todd, Sir Alexander Robertus

(Encyclopedia)Todd, Sir Alexander Robertus, 1907–97, Scottish biochemist, Ph.D., Univ. of Frankfurt am Main, 1931; Oxford, 1933. Todd held posts at Edinburgh Univ. (1934–36), the Lister Institute of Preventive ...

Sète

(Encyclopedia)Sète, formerly Cette both: sĕt [key], town (1990 pop. 41,916), Hérault dept., S France, in Languedoc, on the Mediterranean. It is one of the most important commercial and fishing ports of S France,...

Tatum, Edward Lawrie

(Encyclopedia)Tatum, Edward Lawrie, 1909–75, American geneticist, b. Boulder, Colo., grad. Univ. of Wisconsin (B.A., 1931; M.S., 1932; Ph.D., 1935). From 1937 to 1945 he taught at Stanford and from 1945 to 1948 a...

Alder, Kurt

(Encyclopedia)Alder, Kurt älˈdər [key], 1902–58, German chemist, educated at Berlin and at Kiel. He was on the research staff of the Bayer Dye Works (1936–40) before becoming (1940) professor of chemistry an...

Porter, Rodney Robert

(Encyclopedia)Porter, Rodney Robert, 1917–85, British biochemist, Ph.D. Cambridge, 1948. He was a researcher at the National Institute of Medical Research, England (1949–1960), and a professor at St. Mary's Hos...

potassium nitrate

(Encyclopedia)potassium nitrate, chemical compound, KNO3, occurring as colorless, prismatic crystals or as a white powder; it is found pure in nature as the mineral saltpeter, or niter. (The name saltpeter is also ...

Palencia

(Encyclopedia)Palencia pälānˈthēä [key], city (1990 pop. 77,464), capital of Palencia prov., N central Spain, in Castile and León. An industrial center with iron foundries, textile mills, and chemical plants,...

Haber, Fritz

(Encyclopedia)Haber, Fritz häˈbər [key], 1868–1934, German chemist. He was a professor of physical chemistry at Karlsruhe and became director of the Kaiser Wilhelm Institute at Dahlem in 1911. During World War...