Cyril Fagan (born Dublin, Ireland, May 22, 1896, died Tucson, Arizona, United States, January 5, 1970) was an Irish astrologer, who argued for the use of sidereal astrology in the west and established it as a separate field from tropical astrology.
He is the creator with American astrologer Bradley of the Fagan-Bradley Ayanamsha.
His books include:
Astrological Origins, Zodiacs Old and New St.
Paul, Minn.: Llewellyn Publications, 1971.
Fixed Zodiac Ephemeris for 1948.
Washington, D.C.: National Astrological Library, 1948.
A Primer of the Sidereal Zodiac
Zodiacs Old and New.