Table of Contents

In This Issue

The Meaning of Relativity (Third Edition) by Albert Einstein


Astronomy in a Changing World
A noted astronomer answers the question—"What good does astronomy do the average man?"
by Ira S. Bowen

Profit Engineering
The Break-Even chart: An effective management tool for improving profits.
by Robert J. Barry '38

It helps scientists tell one thing from another.
by C. M. Stearns

Campus News:

The Month at Caltech

The Beaver
by Jim Hendrickson '50

Alumni News


Science in the News