A small sample of famous people who had been using the original chart enthusiastically over many years :

Isaac Asimov, Science-fiction writer : "... I studied the World History Chart with the greatest of pleasure..."

James A.Michener, Novelist : "... I studied with great care this remarkable historical chart. I find it to be a work of both scholarship and imagination, and I would judge that anybody who aspired to thorough knowledge in the field of history and civilization could profit from having this at hand."

James Burke BBC Connection Series : "...the World History Chart is on the wall beside my desk and I refer to it often. Synchronoptic views are ever more important in a world of increasing specialization..."

Dr. Carl Sagan, Astronomer : "... with best wishes for the success of your marvelous history chart ..."

Stephen Lewis : UN Ambassador and Permanent Representative "I am quite knocked out by your Synchronoptical History, ... it has touches of genius, ... and if Arno Peters is already a convert, his testament would be the most impressive of all ..."

Dr. Arno Peters Historian, Bremen : "... this work provided me with a very great, happy surprise. This Synchronopsis has a value all of its own, which is yet missing in my own work: It makes it possible to survey the entire world history at one glance : at the same time it provides a most valuable combination of historical and geographical data ..." "... for today my deepest congratulation for Your valuable work, which I known required a major effort over many years ..."

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