Butler Ryhan200Ryhan Butler is a practicing astrologer from the Dallas, TX area.  He has lectured both nationally and locally, hoping to spread the use of medieval techniques to those who would otherwise not encounter them or immediately see their use.  He is the administrator of the Medieval Astrology Guide website, which is a resource for the concepts and techniques of medieval astrology.  Ryhan is also actively involved in the astrological community as a member of AYA and is currently on the steering committee of AFAN.