William D. Gann

William D. Gann was an American author and financial trader, best known for his work in the early 20th century. He gained recognition for his unique approach to market analysis and forecasting, which he detailed in his writings. Gann's notable work, "The Tunnel Thru the Air," published in 1927, blends elements of fiction with his theories on trading and market cycles. His innovative ideas and methods have influenced both traders and writers, contributing to the discourse on financial markets and their underlying patterns.