Karl Popper Biography

Birth of Karl Popper

Earns a doctorate in Philosophy

Publishes his first book, "Logik der Forschung" (The Logic of Scientific Discovery). Criticises psychologism, naturalism, inductionism, and logical positivism, and put forth his theory of potential falsifiability as the criterion demarcating science from non-science

Publishes his first book, "Logik der Forschung" (The Logic of Scientific Discovery). Criticises psychologism, naturalism, inductionism, and logical positivism, and put forth his theory of potential falsifiability as the criterion demarcating science from non-science

Criticises psychologism, naturalism, inductionism, and logical positivism, and put forth his theory of potential falsifiability as the criterion demarcating science from non-science

Publishes his first book, "Logik der Forschung" (The Logic of Scientific Discovery). Criticises psychologism, naturalism, inductionism, and logical positivism, and put forth his theory of potential falsifiability as the criterion demarcating science from non-science

The rise of Nazism and the threat of the Anschluss led Popper to emigrate to New Zealand, where he became lecturer in philosophy at Canterbury University College New Zealand (at Christchurch)

The rise of Nazism and the threat of the Anschluss led Popper to emigrate to New Zealand, where he became lecturer in philosophy at Canterbury University College New Zealand (at Christchurch)

Publication of "The Open Society & Its Enemies"

Moves to England to become reader in logic and scientific method at the London School of Economics

Moves to England to become reader in logic and scientific method at the London School of Economics

Appointed professor

Publication of "The Poverty of Historicism"

Apppointed President of the Aristotelian Society from 1958 to 1959

Apppointed President of the Aristotelian Society from 1958 to 1959

Publication of "The Logic of Scientific Discovery"

Apppointed President of the Aristotelian Society from 1958 to 1959

Publication of "Objective Knowledge"

Elected a Fellow of the Royal Society

Invested with the Insignia of a Companion of Honour

Death of Karl Popper