Fifty years ago: the Neurospora revolution.

The evacuation of Burma: fifty years ago.

When asked to write a few notes about my spell in Burma, April and May 1942, I had to read again Field Marshal Sir William Slim's book, especially the first part of "Defeat into Victory", in order to refresh my memory with the dates and place names in Burma with which I was concerned. It is hard to believe that it took place 50 years ago and one gets no younger in body and mind.

The Downfall of Parity — the Revolution That Happened Fifty Years Ago∗

In 1924 Otto Laporte analyzed the structure of the spectrum of iron and found that there are two kinds of energy levels, which he called “stroked” (“gestrichene”) and “unstroked” (“ungestrichene”). He discovered a selection rule (later called Laporte’s rule) that the transitions occurred always from stroked to unstroked levels or vice versa, and never between stroked or between unstroked levels...

Tuberculosis in Indian Prisons Fifty Years Ago

Some biophysical experiments from fifty years ago.

Georg von Bekesy died June 13, 1972. In early March of that year, the Editors and Editorial Committee members of the Annual Review of Physiology invited him to write the prefatory chapter for this 1974 volume. He accepted promptly and added "I am sure I will have it finished long before your deadline of June 1973." He mailed us his completed manuscript three weeks later, early in April 1972, tw...

Mathews' Diagram and Euclid's Line: Fifty Years Ago

Making the science and technology of computer music comprehensible to musicians and composers who had little or no background therein was a part of Max Mathews’ genius. In this presentation I will show how a simple diagram led to the essential understanding of Claude Shannon’s sampling theorem, which in turn opened up a conceptual path to composing music for loudspeakers that had nothing to do ...