Studies composed by and selected by
Daniel Keith (France).
Daniel Keith (born in 1953), first worked in industry, thereafter he became a teacher for 30 years and he also was a volunteer teaching basic knowledges (wrinting, reading) to illiterate people.
He is now retired and lives in France, close to Strasbourg. (Picture 2005).
(All his studies, more exact dates, possible corrections or cooks and exact details about sources can be found in the