Fred Hoyle

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Sir Fred Hoyle FRS (24 June 1915 – 20 August 2001) was an English astronomer and mathematician noted primarily for his contribution to the theory of stellar nucleosynthesis and his often controversial stance on other cosmological and scientific matters—in particular his rejection of the "Big Bang" theory, a term originally coined by him as a jocular, perhaps disparaging, name for the theory which was the main rival to his own. In addition to his work as an astronomer, Hoyle was a writer of science fiction, including a number of books co-written with his son Geoffrey Hoyle. Hoyle spent most of his working life at the Institute of Astronomy at Cambridge and served as its director for a number of years. He died in Bournemouth, England, after a series of strokes.

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Early life

Hoyle was born in Gilstead, West Yorkshire, England,[1] near Bradford, where his father, Ben Hoyle, worked in the wool trade. His mother, Mabel Pickard, had studied music at the Royal College of Music in London. Hoyle was educated at Bingley Grammar School and read mathematics at Emmanuel College, Cambridge.[2]

Contribution to cosmology

An early paper of Hoyle's made an interesting use of the anthropic principle. In trying to work out the routes of stellar nucleosynthesis, he observed that one particular nuclear reaction, the triple-alpha process, which generates carbon, would require the carbon nucleus to have a very specific energy for it to work. The large amount of carbon in the universe, which makes it possible for carbon-based life-forms (e.g. humans) to exist, demonstrated that this nuclear reaction must work. Based on this notion, he made a prediction of the energy levels in the carbon nucleus that was later borne out by experiment.

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