Table of Contents

In This Issue

The Evolution of Human Nature by C. Judson Herrick
A Scientific Sampler by Raymond Stevens, Howard F. Hamacher, and Alan A. Smith



The Next Hundred Years
An extract from a forthcoming book by Harrison Brown, James Bonner and John Weir

Student Life: Senior Ditch Day
A pictorial record

New Cars and New Politics
An examination of the mood and aspirations of the American people in facing up to—and evading—the political problems of our time
by James C. Davies

Paths to Manhood
Some notes on Caltech's Leaders of America
by Richard M. Kirk '58

Campus News:

The Month at Caltech