Table of Contents

Letters

Features:

An Interview with Harold Brown

Apollo's Last Flight
A firsthand account of the Apollo 17 launch—and a reminder of the contributions that have been, and are being, made by Caltech men to the exploration of space.
by Graham Berry

Help for Kelp
Wheeler North directs a unique project to restore the once-lush kelp beds off the California coast.

Electronic Revolution at Palomar

Research Notes
Quasars and Quakes
Deep Freeze
Moving in On Neurons
by Bernard C. Cole

Campus News:

The Month at Caltech
by Janet Lansburgh