The perfectibility of intellect, by J. S. Bruner.
History as the organization of man's memory, by H. Butterfield.
The value of art in an expanding world, by Sir K. M. Clark.
Conservation and man's environment, by I. M. Cowan.
On being a meter and a half long, by G. E. Hutchinson.
Biological and mental evolution, an exercise in analogy, by A. Koestler.
Anthropology: its achievements and future, by C. Lévi-Strauss.
Technics and the nature of man, by L. Mumford.
Physics and man's understanding, by R. Oppenheimer.
Intellectual values and the future, by S. E. Toulmin.
Knowledge and understanding of the physical universe as determinants of man's progress, by F. L. Whipple.