Table of Contents

In This Issue

Features:

To Lead or To Follow
An interview with Bruce Murray about planetary exploration

The Iron-Free, Magnetic, Beta-Ray Spectrometer
by Jesse W. M. DuMond and Edwin C. Seltzer

Research Notes

A Look at the Radical Right Today
by Robert A. Rosenstone

Hugo Benioff 1899-1968

Campus News:

The Month at Caltech

Alumni Seminar

Alumni News