At the age of eight, Karl Popper was puzzling over the idea of infinity and by fifteen was beginning to take a keen interest in his father's well-stocked library of books. Unended Quest recounts these moments and many others in the life of one of the most influential thinkers of the twentieth century, providing an indispensable account of the ideas that influenced him most. As an introduction to Popper's philosophy, Unended Quest also shines. Popper lucidly explains the central ideas in his work, making this book ideal for anyone coming to Popper's life and work for the...

With a new foreword by Scott Austin

'I hope that these essays may illustrate the thesis that all history is or should be the history of problem situations, and that in following this principle we may further our understanding of the Presocratics and other thinkers of the past. The essays also try to show the greatness of the early Greek philosophers, who gave Europe its philosophy, its science, and its humanism.' - Karl Popper, from the preface

The World of Parmenides is a brilliant exploration of the...

'If in this book harsh words are spoken about some of the greatest among the intellectual leaders of mankind, my motive is not, I hope, to belittle them. It springs rather from my conviction that, if our civilization is to survive, we must break with the habit of deference to great men.'

- Karl Popper, from the Preface

Written in political exile during the Second World War and first published in two volumes in 1945, Karl Popper's The Open Society and Its Enemies is one of the most influential books of all time. Hailed by Bertrand Russell as a 'vigorous and profound...

In a letter of 1932, Karl Popper described Die beiden Grundprobleme der Erkenntnistheorie - The Two Fundamental Problems of the Theory of Knowledge - as '...a child of crises, above all of ...the crisis of physics.'

Finally available in English, it is a major contribution to the philosophy of science, epistemology and twentieth century philosophy generally.
The two fundamental problems of knowledge that lie at the centre of the book are the problem of induction, that although we are able to observe only a limited number of particular events, science nevertheless advances...

In this long-awaited volume, Jeremy Shearmur and Piers Norris Turner bring to light Popper's most important unpublished and uncollected writings from the time of The Open Society until his death in 1994.
After The Open Society: Selected Social and Political Writings reveals the development of Popper's political and philosophical thought during and after the Second World War, from his early socialism through to the radical humanitarianism of The Open Society. The papers in this collection, many of which are available here for the first time, demonstrate the clarity and pertinence of...

Quantum Theory and the Schism in Physics is one of the three volumes of Karl Popper s Postscript to the Logic of scientific Discovery. The Postscript is the culmination of Popper s work in the philosophy of physics and a new famous attack on subjectivist approaches to philosophy of science.

Quantum Theory and the Schism in Physics is the third volume of the Postscript. It may be read independently, but it also forms part of Popper s interconnected argument in the Postscript. It presents Popper s classic statement on quantum...