Prior to the 1970s the only way an astrologer could read a chart was to construct it manually. Using empherides and house tables, a skilled astrologer literally drew the charts by hand. This time-consuming process involved hours of research and calculations. It wasn’t until astrologer Michael Erlewine devised a method to have the calculations performed by a computer that life got much easier for the community. Listen as your host, Chris Flisher discusses this topic with Michael.