You know, I've been diving deep into the history of technical analysis lately, and there's one name that keeps coming up: William Delbert Gann. This guy basically shaped how we think about market prediction today.

So here's the thing about Gann—born in Texas back in 1878, he didn't have much formal schooling, but he was hungry to learn. Started working in cotton warehouses, then moved to Texarkana and landed a job at a brokerage. By 1903, he was ready to go all in and launched W.D. Gann & Company. That's when things got interesting.

What really set William Delbert Gann apart was his approach to technical analysis. He developed these methods called Gann Angles and Gann Fan that blended geometry with market patterns in ways nobody had really tried before. Some people think he incorporated astrology too, which honestly sounds wild, but his followers swear by his techniques.

He was prolific with his work—published several books throughout the 1930s and 40s. "Wall Street Stock Selector" in 1930, "New Arrow Direction Detector" in 1936, and then "How to Make Profits on Commodities" and "How to Make Profits on Puts and Calls" in 1941. Each one added another layer to his trading philosophy.

Now, I'll be honest—Gann's methods are controversial. Some traders think he's a genius, others think his approaches are too esoteric. But you can't deny the impact William Delbert Gann had on the trading world. He left a legacy that traders are still studying and debating today. That's the mark of someone who really changed the game.