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"Smith, Francis Graham (1923-) is a British astronomer and one of the leading authorities on radio astronomy, the branch of astronomy that studies celestial bodies by measurement and analysis of the electromagnetic radiation they emit in the wavelength range from 1 mm to 30 mm."^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/dictionary/famous-scientists/astronomers/francis-graham-smith-info.htm>