Karl Popper (1902-1994). Philosopher, born in Vienna. One of the most influential and controversial thinkers of the twentieth century.
'One of the great books of the century' - Alan Ryan, The Times 'Few philosophers have combined such a vast width of knowledge with the capacity to produce important original ideas as he did.' - Anthony Quinton, The Guardian 'This is a work of great interest and significance, stimulating and suggestive throughout. Dr Popper's virtues are manifold. He has a great fertility of ideas. Almost every sentence gives us something to think about.' - G.C. Field, Philosophy