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On June 6th 1951 “How to Make Profits in Commodities” was published.

A careful comparison of the two editions shows up some very interesting changes. For example, why are the charts on pages 359 to 366 revised and showing swings long past W.D Gann’s publication date of 1951 and his death in 1955?

He was clearly making Forecasts using an EPHEMERIS.
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I assume the “two editions” referred to are the original first edition (1941) and the revised second edition (1951). In this case, the charts on pages 359 to 366 are brand new to the 1951 edition. On the other hand, if the “two editions” refers to the 1951 revised edition and a later reprint of the same edition (such as 1976), then it’s a matter of why the later 1976 and following reprints differ from the original 1951 edition.

I have a copy of the original 1951 book, as well as the newer 1976 (white dust jacket) and 2009 (orange dust jacket) reprint editions. The chart revisions mentioned are NOT in the original 1951 book. Perhaps they were added by Gann in his personal copy or by Ed Lambert as updates to the original charts as published in 1951, but no evidence is given as to where and when the additions originated.

In any case, the chart revisions appear in the reprint editions only and NOT in the original, which brings the chart revisions into question as to their authenticity. Without proof of such authenticity, the conclusion (”He was clearly making Forecasts using an EPHEMERIS”) does not follow, because the chart revisions could have been added by someone after the fact–hardly being a forecast.

Marry Christmas and Happy New Year.