Theon of Alexandria, was a Greek scholar and mathematician who lived in Alexandria, Egypt, his daughter was Hypatia, a Greek mathematician, astronomer, inventor, and philosopher in Egypt, then a part of which location?
Hypatia Hypatia ( ; ; Greek: Ὑπατία "Hupatía"; born 350–370; died 415 AD), often called Hypatia of Alexandria, was a Greek mathematician, astronomer, inventor, and philosopher in Egypt, then a part of the Eastern Roman Empire. She was the head of the Neoplatonic school at Alexandria, where she taught philosophy and astronomy.
Helwan Helwan (Arabic: حلوان‎ ‎ "Ḥelwān ", ] , Coptic: ϩⲁⲗⲟⲩⲁⲛ "Halouan"), is a city in Egypt and part of Greater Cairo, on the bank of the Nile, opposite the ruins of Memphis. Originally a southern suburb of Cairo, it served as the capital of the now defunct Helwan Governorate from April 2008 to April 2011, after which it was re-incorporated into the Cairo Governorate. The "kism" of Helwan had a population of 643,327 at the 2006 population census.