... Even that skilful astronomer Hipparchus, who may be justlycalled the father of observational astronomy, overlooked thispeculiarity, which Ptolemy would seem to have been the first torecognise... 
Richard A. Proctor 「Myths and Marvels of Astronomy」
...Nor was activity confined to the observational side of the science...
Simon Newcomb 「Side-lights on Astronomy and Kindred Fields of Popular Science」
...He wasthe first observational astronomer, the founder of the splendid systemof practical astronomy which has culminated in the present GreenwichObservatory...
Oliver Lodge 「Pioneers of Science」
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pierre fallacy breezing
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