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The Essential Tension is a collection of previously published essays by Thomas Kuhn to which the author has added two hitherto unpublished articles and a splendid, partly autobiographical preface. These assembled studies shed much light on the early evolution and subsequent reformulations of Kuhn's provocative The Structure of Scientific Revolutions (1962; revised edition 1970). Read as a group, they reveal a profound and subtle mind struggling to articulate and to resolve tensions between different modes of knowing and experiencing
Thomas Kühn (Sat,) studied this question.