Tran Duc Thao, a brilliant student of philosophy at the Ecole Normale Super- ieure within the post-1935 decade of political disaster, born in Vietnam shortly after the F ir st World War, recipient of a scholarship in Paris in 1935 37, was early noted for his independent and originaI mind_ While the 1930s twisted down to the defeat of the Spanish Republic, the compromise with German Fascism at Munich, and the start of the Second World War, and while the 1940s began with hypocritical stability at the Western Front fol- lowed by the defeat of France, and the occupation of Paris by the German...

Tran Duc Thao, a wise and learned scientist and an eminent Marxist philoso- pher, begins this treatise on the origins of language and consciousness with a question: "One of the principal difficulties of the problem of the origin of consciousness is the exact determination of its beginnings. Precisely where must one draw the line between the sensori-motor psychism of animals and the conscious psychism that we see developing in man?" And then he cites Karl Marx's famous passage about 'the bee and the architect' from Capital: ... what distinguishes the worst architect from the best of bees is...