Karl Popper (Philosopher) – Bio, Birthday, Family, Age & Born

Karl Popper

Sir Karl Raimund Popper was an Austrian-born British philosopher, academic and social commentator. One of the 20th century’s most influential philosophers of science, Popper is known for his rejection of the classical inductivist views on the scientific method in favour of empirical falsification. According to Popper, a theory in the empirical sciences can never be proven, but it can be falsified, meaning that it can be scrutinised with decisive experiments. Popper was opposed to the classical justificationist account of knowledge, which he replaced with critical rationalism, namely “the first non-justificational philosophy of criticism in the history of philosophy”. In political discourse, he is known for his vigorous defence of liberal democracy and the principles of social criticism that he believed made a flourishing open society possible.

Born: Karl Raimund Popper, July 28, 1902, Vienna, Austria-Hungary
Died: September 17, 1994, London, UK
Nationality: Austrian
Alma mater: University of Vienna

About Karl Popper

Considered one of the greatest philosophers of the 20th century. He taught at the London School of Economics.

Before Fame

He was named a lecturer in philosophy at Canterbury University College of the University of New Zealand in Christchurch in 1937. He wrote The Open Society and Its Enemies during his time there.


He opposed several strongly held philosophical beliefs of his day, including the classical justificationist account of knowledge, which he saw as inferior to critical rationalism.

Family Life

His family was of upper middle-class status. His father worked as a doctor of law at Vienna University.


He was born the year before Alexander Bain, another world-famous philosopher, died.

Information related to Karl Popper

  • Karl Popper Category
  • Calculus of predispositions – Calculus of predispositions is a basic part of predispositioning theory and belongs to the indeterministic procedures.
  • Evolutionary epistemology – Evolutionary epistemology refers to three distinct topics: the biological evolution of cognitive mechanisms in animals and humans, a theory that knowledge itself evolves by natural selection, and the study of the historical discovery of new abstract entities such as abstract number or abstract…
  • Liberalism in Austria – This article gives an overview of liberalism in Austria. It is limited to liberal parties with substantial support, mainly proved by having had representation in parliament. For inclusion in this scheme it isn’t necessary that parties labeled themselves as a liberal party.
  • Positivism dispute – The positivism dispute was a political-philosophical dispute between the critical rationalists and the Frankfurt School in 1961, about the methodology of the social sciences. It grew into a broad discussion within German sociology from 1961 to 1969.
  • Predispositioning theory – Predispositioning theory, in the field of decision theory and systems theory, is a theory focusing on the stages between a complete order and a complete disorder.
  • Poper Scientific Stand up – Poper Scientific Stand Up is the first Latin American stand-up comedy group that is engaged in the popularization of science.
  • Cambridge University Moral Sciences Club
  • Rationality theorists
  • Austrian agnostics
  • Critical rationalists
  • British logicians
  • Kyoto laureates in Arts and Philosophy
  • British agnostics
  • Fellows of Darwin College, Cambridge
  • British political philosophers
  • Fellows of the Royal Society (Statute 12)
  • Critics of Marxism
  • Rationalists
  • Austrian logicians
  • Logicians
  • 20th-century Austrian writers
  • Ethicists
  • Presidents of the Aristotelian Society
  • Philosophers of mathematics
  • Consciousness researchers and theorists
  • Jewish agnostics
  • Recipients of the Grand Decoration for Services to the Republic of Austria
  • Social commentators
  • University of Canterbury faculty
  • Recipients of the Austrian Decoration for Science and Art
  • Ontologists
  • Social philosophers
  • Critics of religions
  • Writers from Vienna
  • British philosophers
  • Social critics
  • Metaphysicians
  • Members of the Order of the Companions of Honour
  • Epistemologists
  • Political philosophers
  • Philosophers of mind
  • Grand Crosses with Star and Sash of the Order of Merit of the Federal Republic of Germany
  • Moral philosophers
  • 20th-century British writers
  • Philosophers of science
  • Academics of the London School of Economics
  • Recipients of the Pour le Mérite (civil class)

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Latest information about Karl Popper updated on September 16, 2020.

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