Ludwig Wittgenstein (1889 - 1951) is regarded by many as the most outstanding philosopher of the twentieth century.
'Among the productions of the twentieth century the Tractatus continues to stand out for its beauty and its power.' - A.J. Ayer; 'Mr Pears and Mr McGuinness have not only achieved a clear and natural English but have been meticulous in their care for accuracy.' - The Times Literary Supplement; 'Pears and McGuinness can claim our gratitude not for doing merely this (a better translation) but for doing it with such a near approach to perfection.'- Mind