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Robinson, John

(Encyclopedia)Robinson, John, 1576?–1625, English nonconformist pastor of the Pilgrim Fathers in Holland. In 1592 he entered Cambridge; in 1597 he received a fellowship and was ordained. Soon thereafter he became...

Robinson, Lennox

(Encyclopedia)Robinson, Lennox, 1886–1958, Irish dramatist. From 1910 to 1923 he was manager of the Abbey Theatre in Dublin, and he served as director there from 1923 until his death. The comedy The White Headed ...

Robinson, Theodore

(Encyclopedia)Robinson, Theodore, 1852–96, American painter, b. Irasburg, Vt. Beginning his career as a realist, Robinson was profoundly influenced by his meeting with Monet in 1888. Translating the impressionist...

sugar of lead

(Encyclopedia)sugar of lead: see lead acetate. ...

Eames, Ray Kaiser

(Encyclopedia)Eames, Ray Kaiser: see under Eames, Charles. ...

Dolby, Ray Milton

(Encyclopedia)Dolby, Ray Milton, 1933–2013, American inventor, audio engineer, and corporate executive, B.S. Stanford, 1957, Ph.D. Cambridge, 1961. While a teenager, he worked for Ampex Corp. (1949–57), helping...

gamma-ray astronomy

(Encyclopedia)gamma-ray astronomy, study of astronomical objects by analysis of the most energetic electromagnetic radiation they emit. Gamma rays are shorter in wavelength and hence more energetic than X rays (see...

Gamma-Ray Observatory

(Encyclopedia)Gamma-Ray Observatory: see gamma-ray astronomy. ...

X-ray astronomy

(Encyclopedia)X-ray astronomy, study of celestial objects by means of the X rays they emit, in the wavelength range from 0.01 to 10 nanometers. X-ray astronomy dates to 1949 with the discovery that the sun emits X ...

X-ray crystallography

(Encyclopedia)X-ray crystallography, the study of crystal structures through X-ray diffraction techniques. When an X-ray beam bombards a crystalline lattice in a given orientation, the beam is scattered in a defini...