information and discussion on this subject. Even in his own plans outlined in the chapter on " The Re-organization of Research " he recognizes that " the old sciences . . . like astronomy and chemistry have accumulated centuries of autonomous tradi- tion; they have whole sections which are separate both from technical theory and from technical practice and develop to a considerable extent according to their own internal necessities " (p. 280). But the recognition is only de facto, not de jure', on the same page, when outlining scientific organiza- tions, we read that their first stage " will be occupied mainly with what has been called pure, but should more accurately be called sophisticated, science." Scornfully the Marxist rejects here any claim of science to be pursued merely for the sake of dis- covering truth. Although it is recognized that the desire to discover and to understand the external world is at present a motive to scientific endeavour, and though such a motive is even approved of as part of the disposition of the socially minded scientist of the future (pp. 97 and 273), it is thought absurd that any economic system would pay a scientist just to search for truth. One is tempted to return the charge of snobbism : We scientists who know so well the delight of study, the excitement at the dawn of understanding, the profound satisfaction in mastering thought; we whose daily work is stirred by such emotions; we citizens of a scientific world solely concerned with work of this character; should we deny that other people than ourselves are also capable of enjoying the study and understanding of truth, the spectacle of its progress through discovery ? That they can 14