Gaston Bachelard
Gaston Bachelard was a French philosopher. He made contributions in the fields of poetics and the philosophy of science. To the latter he introduced the concepts of epistemological obstacle and epistemological break . He influenced many subsequent French philosophers, among them Michel Foucault, Louis Althusser, Dominique Lecourt and Jacques Derrida, as well as the sociologist Pierre Bourdieu.
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Source: Wikipedia