William Delbert Gann (June 6, 1878 – June 18, 1955) or WD Gann, was a finance trader who developed the technical analysis methods like the Gann angles and the Master Charts, where the latter is a collective name for his various tools like the Square of Nine, the Hexagon Chart, and the Circle of 360. Charting Paper Browse by All chart paper charting paper k&e natural squares calculator price and time chart square of 9 Sort by Featured Best Selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, new to old Date, old to new WD Gann’s Lost Swing Chart Technique Before the advent of modern day bar charts, earlier traders like WD Gann developed ways of using SWING CHARTS for the markets being covered. WD Gann Swing chart for SOYBEANS. Swing charts eliminate the time element from charts by concentrating on the Price element’s volatility only.