Hypatia, Alexandria's mathematician and philosopher
The famous Alexandria’s mathematician and philosopher Hypatia also was a blonde. About her works on mathematics and astronomy Photius wrote with great respect. She has acquired excellent education from her father Theonas, mathematician and astronomer. Hypatia taught at Alexandria, and among her students was the Synasius, Bishop of Ptolemais, which had left the notes in which he would like to thank his professor for the support she has offered to design a silver astrolabe and the hydrometer. Hypatia’s life had have brutally ended. In her time Christianity became the official religion of the Roman empire, and this wise blonde was neoplatonic. Her philosophical views Christians had considered dangerous, so she was killed in 415.