Extract
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In 1784 Jean-Dominique Cassini, who as Director of the Paris Observatory was one of the foremost professional astronomers of his day, wrote
‘A discovery so unexpected could only have singular circumstances, for it was not due to an astronomer and the marvellous telescope….was not the work of an optician; it was Mr Herschel, an English musician, to whom we owe the knowledge of this seventh principal planet (Schaffer, 1981, 21).