Hypatia of Alexandria (350? - 415) as depicted by Masolino da Panicale, 1428. Hypatia was the daughter of Theon, the last curator of the Alexandria library. She taught mathematics and astronomy and also made improvements on a hydrometer, a device used for the measurement of specific gravity of a liquid.

Notes

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    هي دي هيباتيا, الفيلسوفة الاسكندرانية، اول عالمة رياضيات في العالم، قتلوها المسيحيين “في محطة الرمل” بعد ما اتهموها...
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    imagine if the library had survived
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