Hypatia was born in Alexandria, a city in Egypt. During Hypatia’s time, Egypt was a great place for learning. Her dad was also a mathematician, astronomer, and philosopher, so she had it in her blood line. Her father was Theon. Hypatia and her father worked on commentaries of Ptolemy’s work together. Ptolemy was a Greek astronomer who was from Alexandria. Hypatia's name was also put on work done by other mathematicians. 