She invented the astrolabe (370-415)

• Greek philosopher and astronomer
• Apathy, sadly, about one Greek mathematician

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Hypatia ( Hupatíā ; born 350–70; died 415), often called Hypatia of Alexandria , was a Greek mathematician , astronomer, and philosopher in Egypt , then a part of the Byzantine Empire . She was the head of the Neoplatonic school at Alexandria , where she ...