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<p>W.D. Gann (William Delbert Gann) was a highly successful stock and commodity trader who developed his own unique methods of technical analysis, including Gann angles and the Square of Nine. He was known for his unconventional approach to market forecasting, which included incorporating elements of geometry, astronomy, astrology, and ancient mathematics. His "fellows" are generally understood to be traders and individuals who study and apply Gann's methods. <br></p>