Laurens Lynn "Larry" Laudan (; October 16, 1941 – August 23, 2022) was an American philosopher of science and epistemologist. He strongly criticized the traditions of positivism, realism, and relativism, and he defended a view of science as a privileged and progressive institution against popular challenges. Laudan's philosophical view of "research traditions" is seen as an important alternative to Imre Lakatos's "research programs".
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