Ridling, Philosophy Then and Now: A Look Back at 26 Centuries of Thought
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types or schools. This ordering has characterized such works as Friedrich
Lange’s Geschichte des Materialismus (1866; The History of Materialism),
A.C. Ewing’s compilation The Idealist Tradition: From Berkeley to Blanshard
(1957), or Richard H. Popkin’s History of Scepticism from Erasmus to
Descartes (1960). In the second type of ordering, the historian, impressed by
the producers of ideas as much as by the ideas themselves – that is, with
philosophers as agents – reviews the succession of great philosophical
personalities in their rational achievement. This ordering has produced the
more customary histories such as Émile Bréhier’s Histoire de la philosophie
(1926-32), Bertrand Russell’s History of Western Philosophy (1945), and Karl
Jaspers’ Die grossen Philosophen (1957; The Great Philosophers).
These two different types of ordering depend for their validity upon an
appeal to two different principles about the nature of ideas, but their incidental
use may also be influenced by social or cultural factors. Thus the biographers
and compilers of late antiquity (among them, Plutarch, Sextus Empiricus,
Philostratus, and Clement of Alexandria), impressed by the religious pluralism
of the age in which they lived, thought of philosophers, too, as falling into
different sects and wrote histories of the Sophists, the Sceptics, the
Epicureans, and other such schools; whereas almost 2,000 years later, Hegel –
living in a period of Romantic historiography dominated by the concept of the
great man in history – deliberately described the history of philosophy as “a
succession of noble minds, a gallery of heroes of thought.”
Moving between these two ordering principles, the article below will be
eclectic (as has come to be the custom), devoting chief attention to
outstanding major figures, while joining more minor figures, wherever
possible, into the schools or tendencies that they exemplify.