Expert information. It in no way assures that the author of that site or blog is an expert. Some characteristics of the development of an expert have been found to include Mark Twain defined an expert as "an ordinary fellow from another town". Will Rogers described an expert as "A man fifty miles from home with a briefcase." Danish scientist and Nobel laureate Niels Bohr defined an expert as "A person that has made every possible mistake within his or her field." Malcolm Gladwell describes expertise as a matter of practicing the correct way for a total of around 10,000 hours.
The Practice of History historical change, and the deducing of consequences from disparate facts. The Practice of History The Practice of History is a 1967 book by the historian Geoffrey Elton published by Fontana Books. It is an examination of Elton's ideas of how history is, and should be, written. Elton's analysis of the historical method is one that is founded upon certain clear and fundamental principles and ideas that he thought lay behind history on the one hand and the construction of narrative by the historian on the other. Primarily this included the notion that the historian reconstructed events and phenomena that had