William Delbert Gann (6 June, 1878 - 14 June, 1955 - also known as W. D. Gann), was a finance trader who developed the technical analysis tools known as Gann angles, Square of 9, Hexagon, Circle of 360 (these are Master charts). Gann market forecasting methods are based on geometry, astronomy and astrology, and ancient mathematics. Opinions are sharply divided on the value and relevance of his work. Gann wrote a number of books on trading. (wikipedia)

See Also

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Entropy
Gann I Course Manual
Gann I Lecture Notes
Gann II Course Manual
Gann II Lecture Notes
Gann III Course Manual
Gann III Lecture Notes
Gann IV Course Manual
Gann IV Lecture Notes
Gann V Course Manual
Gann V Lecture Notes
Gann VI Course Manual
Gann VI Lecture Notes
Gann VII Course Manual
Gann VII Lecture Notes
Gann VIII Course Manual
Gann VIII Lecture Notes
Gann IX Course Manual
Gann IX Lecture Notes
Jerome Baumring
Lecture Notes From Baumring's Investment Centre Seminars
Lecture Notes From Baumring's Investment Centre Seminars
Julius J. Nirenstein
Oscillation
Part 08 - What Vibration Is. - Part 1
Part 09 - What Vibration Is. - Part 2
Rhythmic Balanced Interchange
Sine Wave
Sound
Syntropy
The Complete Gann I-IX Course Manuals
The Complete Gann I-IX Course Manuals and Lecture Notes Combo
The Complete Gann I-IX Lecture Notes
Vibration
Vortex
Wave
Wave Field
What Vibration Is
7.2 - Rhythmic Balanced Interchange
8.2 - Oscillation versus Vibration