And now a page from our "Sunday Morning" Almanac: September 30, 1882, 136 years ago today, and COUNTING ... the day the future physicist Johannes Wilhelm "Hans" Geiger was born in Germany. Geiger ...

THE Council of the Physical Society has this year awarded the fifteenth Duddell Medal to Prof. Hans Geiger, of the University of Tubingen. The medal is awarded to "persons who have contributed to the ...

In 1911 Charles Thomson Rees Wilson of Cambridge University invented a “cloud chamber” in which tracks made by sub-atomic particles could be seen. At about the same time Hans Geiger, now of the ...

THIS important book is divided into six chapters, Jeach of which is written by an authority on his subject; the whole is edited by Prof. Hans Geiger. Dr. Bothe gives an informed and comprehensive ...