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Karl Popper
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Sir Karl Raimund Popper was an Austrian–British philosopher, academic and social commentator. One of the 20th century's most influential philosophers of science, Popper is known for his rejection of t
Popper in the 1980s
Popper in the 1980s
Popper bust in the Arkadenhof of the University of Vienna
Popper bust in the Arkadenhof of the University of Vienna
English Heritage blue plaque at Burlington Rise, Oakleigh Park, London
English Heritage blue plaque at Burlington Rise, Oakleigh Park, London
Popper's gravesite in Lainzer Friedhof [de] in Vienna, Austria
Popper's gravesite in Lainzer Friedhof [de] in Vienna, Austria
Critical rationalism
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Critical rationalism is Karl Popper's answer to what he considered the most important problems of epistemology and philosophy of science: the problems of the growth of knowledge, notably by induction,
Karl Popper
…justificationist account of knowledge, which he replaced with "the first non-justificational philosophy of criticism in the history of philosophy", namely critical rationalism. In political discourse, he is known for his vigorous defence of liberal democracy and the principles of social criticism that he believed made a…
Tarski inspired Popper with his semantic theory of truth.
Tarski inspired Popper with his semantic theory of truth.
Lakatos described the aspects of scientific methodology leading to the rejection of research programs and their theories
Lakatos described the aspects of scientific methodology leading to the rejection of research programs and their theories
Adolf Hitler giving speech on March 15, 1938 in Heldenplatz, three days after the Anschluss.
Adolf Hitler giving speech on March 15, 1938 in Heldenplatz, three days after the Anschluss.
Sigmund Freud developed the theories of "Psychoanalysis". Popper considered these theories to be unscientific because they were not falsifiable.
Sigmund Freud developed the theories of "Psychoanalysis". Popper considered these theories to be unscientific because they were not falsifiable.