Astrologers are sometimes known as astrologists. Historically the term mathematicus was used to denote a person proficient in astrology, astronomy, and mathematics.

Practice

In the United States, the practice of astrology is largely unregulated. Certification is not required by legislation for an astrologer to offer his or her services. However, there are various examinations offered by private organizations such as the American Federation of Astrologers and the National Council for Geocosmic Research that allow those wishing to become professional astrologers to demonstrate their proficiency.

Early astrologers

The first organized system of astrology was developed in Mesopotamia in the second millennium BCE. The Babylonians' system of omen astrology was relatively simple and direct compared to later developments, foretelling mundane occurrences such as famine, war, peace, and so on based on predefined celestial indicators. Babylonian astrologers provided a service for those in power, advising them in their decision-making.

At this time astrology and astronomy were not distinguished as separate disciplines; the act of astronomical observation was often done by someone who had astrological motives for doing so. Indeed, astrologers' professional responsibility and desire for predictive knowledge for a large part spurred the advancement of astronomy, and the Babylonians developed a very precise ability to mathematically predict the location of celestial points and phenomena based upon their observable cycles.

See also

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• List of astrologers

External links

• An eclectic list of astrologers
• Historical Biographies of Eminent Astrologers