Eduardo Nicol was born in Barcelona in 1907. He studied philosophy and was Secretary of the Fundació Bernat Metge, dedicated to publishing the Greek and Latin classics. In 1939 he arrived in Mexico, having participated in the Spanish Civil War. He was professor at the Faculty of Philosophy and Letters at UNAM since 1940 and professor since 1946. In 1955 he founded and directed the first issue of philosophy Dianoia yearbook, published by the Center for Philosophical Studies at UNAM. In 1984 he was appointed Honorary Doctor by the Universitat Autònoma de Barcelona and in 1988 he was awarded the Grand Cross of the Order of Alfonso X the Wise. He died in 1990. Some of his most important works are: Psychology of life situations, the expression Metaphysics, Critique of symbolic. The revolution in philosophy and the agony of Proteus, forthcoming in the same editorial. logical search for truth entails, as we entered one of its major problems, man.