Explorers and Creators
A consideration of the true role of the scientist and the engineer in the world today
by Lee A. DuBridge
Earthquakes
Where they come from—why the occur—and what their effects are
by Hugo Benioff
Mrs. Robert A. Millikan
A Tribute
by Inga Howard
Germany Emerges as a European Power
by Horace N. Gilbert
The Caltech Alumnus
I. His Origin, Background and College Career
by John R. Weir
The Problem of Drafting Qualified Graduate Students by Selective Service System
by Donald S. Clark