Table of Contents

Men and Atoms by William L. Laurence


Gibberellin—A New Plant Hormone
by James A. Lockhart

Central Engineering Services
How the Hale Telescope led to a thriving industry on campus

Search for Supernovae
Data on supernovae may be used to calibrate distances to the very periphery of the visible universe.
by Fritz Zwicky

Earthquakes to Order

Space Science
Caltech and JPL exchange ideas in a new field of research
by Henry L. Richter, 'Jr.

Campus News:

The Month at Caltech

Student Life
The Student House
—The last chance to observe the old order?
by Douglas W. Shakel, '60

Alumni News


Lost Alumni