Many traders have heard of William Delbert (WD) Gann, but not many comprehend his methods. He believed that everything in the world is governed by scientific laws, and that the stock and commodity markets were no exceptions. He set out to discover the mathematical relationships between price movements in markets. In essence, his techniques are not difficult to understand, and will prove valuable to any trader who cares to add them to their toolkit. He demonstrated that there is a rhythm to market moves, not only in terms of price but also in the time taken for these moves to be made. This presentation will illustrate these on a few current markets.