Hypatia of Alexandria (c.350–70 to 415)

Hypatia lived in a turbulent time when the library of Alexandria was destroyed in 389. Although not a salaried director of a philosophy school, eminent people of the city came to listen to her. She wrote about mathematics, astronomy and philosophy, and more.

Zipporah Pottenger Dobyns (1921-2003)

Zipporah Dobyns was a popular writer on astrology, astrological counsellor and researcher into asteroids. She began to study astrology in 1956 and in 1960 was the third candidate to qualify as a professional astrologer PMAFA with the AFA.

Donna Cunningham (1946-2017)

Donna Cunningham was an internationally respected American astrologer, writer, lecturer and counsellor. She was a regular contributor to The Mountain Astrologer and for twenty years wrote a regular advice column for Dell Horoscope.