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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...

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...

Roentgen, Wilhelm Conrad

(Encyclopedia)Roentgen or Röntgen, Wilhelm Conrad both: rĕntˈgĭn, rŭntˈ–, Ger. vĭlˈhĕlm kônˈrät röntˈgən [key], 1845–1923, German physicist. His notable research in many fields of physics, especi...

Siegbahn, Kai Manne Borje

(Encyclopedia)Siegbahn, Kai Manne Borje, 1918–2007, Swedish physicist, son of Karl Siegbahn. He earned his doctorate at the Univ. of Stockholm in 1944 and later taught at the Royal Institute of Technology, Stockh...

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...

Reymont, Władysław Stanisław

(Encyclopedia)Reymont, Władysław Stanisław vlädĭsˈläf stänēsˈläf rāˈmônt [key], 1867?–1925, Polish short-story writer and novelist. Reymont's poverty-stricken farm childhood and his early manhood as...

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...

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...

De Palma, Brian

(Encyclopedia)De Palma, Brian, 1940–, American film director, b. Newark, N.J. Heavily influenced by Alfred Hitchcock, he is especially known for bloody, shocking, and suspenseful thrillers. Sometimes accused of v...