Hello,you see this lady in the distance ? It's Hypatia better known as Hypatia of Alexandria the daughter of Theon of Alexandria as a mathematician astronomer. She was born beetween 355 and 370 in Alexandria in Egypt, where she was assassinated by Christians fanatics in 415 .
Hypatia was a greek philosopher astronomer, writer, inventor and mathematician. She taught mathematics, philosophy, and astronomy at the Neoplatonic school of Alexandria to students for wich she designed textbooks for educational purposes.