A Letter From The Publisher: Nov. 17, 1961

THOSE odd-shaped objects in the background of this week's TIME cover are viruses—magnified more than 50,000 times and reproduced in their actual shape by machine and man. The viruses, which are measured in millionths of an inch, were first photographed by an electron microscope that produces an enlarged image of minute particles through the use of a beam of electrons. Working from electron-micrograph prints, Artist Bernard Safran enlarged the viruses somewhat more to obtain the proper effect for the cover. Among those he chose to use, the sticklike viruses at upper left are...

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