From the history of maths
Hypatia
She taught mathematics, astronomy and philosophy in Alexandria, and worked on commentaries on the great texts of her day.
She was killed by a mob in 415 CE, and became a symbol of learning under threat.
Painted in 1885; an imagined likeness. Charles William Mitchell, Public domain, via Wikimedia Commons
Where you’ll meet Hypatia here
HistoryGeometry
They turn up beside problems and lessons on these topics.
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al-Khwarizmi
The word “algebra” comes from al-jabr in the title of his book, and “algorithm” from the Latin form of his name.
His writing helped carry Indian numerals, zero included, to the Arab world and on to Europe.
