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radioimmunoassay

(Encyclopedia)radioimmunoassay (RIA), highly sensitive laboratory technique used to measure minute amounts of substances including antigens, hormones, and drugs present in the body. The substance or antigen (a fore...

Balch, Emily Greene

(Encyclopedia)Balch, Emily Greene bŏlch [key], 1867–1961, American economist and sociologist, b. Jamaica Plain, Mass., grad. Bryn Mawr, 1889. She taught at Wellesley College until her dismissal (1918) for opposi...

Richardson, Sir Owen Willans

(Encyclopedia)Richardson, Sir Owen Willans, 1879–1959, British physicist, Ph.D. University College, London, 1904. He was a professor at Princeton from 1906 to 1913 and at King's College London from 1914 until his...

Néel, Louis Eugène Félix

(Encyclopedia)Néel, Louis Eugène Félix, 1904–2000, French physicist, Ph.D. Univ. of Strasbourg, 1932. He was a professor at the Univ. of Strasbourg from 1932 to 1945, when he joined the faculty at the Univ. of...

Sumner, James Batcheller

(Encyclopedia)Sumner, James Batcheller, 1887–1955, American biochemist, b. Canton, Mass., Ph.D. Harvard Medical School, 1914. He was a professor at Cornell from 1914 until his death in 1955. In 1946 Sumner was a ...

Stern, Otto

(Encyclopedia)Stern, Otto stûrn, Ger. ôˈtō shtĕrn [key], 1888–1969, American physicist, b. Germany, Ph.D. Univ. of Breslau, 1912. After resigning from his post at the Univ. of Hamburg in 1933, he became prof...

Calvin, Melvin

(Encyclopedia)Calvin, Melvin, 1911–97, American organic chemist and educator, b. St. Paul, Minn., grad. Michigan College of Mining and Technology, 1931, Ph.D. Univ. of Minnesota, 1935. In 1937 he joined the facul...

Zernike, Frits

(Encyclopedia)Zernike, Frits, 1888–1966, Dutch physicist, Ph.D. Univ. of Amsterdam, 1915. He was on the faculty at the Univ. of Groningen from 1915 until his retirement in 1958. Zernike received the 1953 Nobel Pr...

Regensburg

(Encyclopedia)Regensburg rāˈgənsbo͝orkh [key], city (1994 pop. 125,337), Bavaria, SE Germany, a port at the confluence of the Danube (Donau) and Regen rivers. In English it is known as Ratisbon. The city is a c...

Le Guin, Ursula Kroeber

(Encyclopedia)Le Guin, Ursula Kroeber krōˈbər lə gwĭnˈ [key], 1929–2018, American writer, b. Berkeley, Calif.; daughter of anthropologist Alfred Louis Kroeber. Possessing a keen eye for physical and cultura...