The feature articles this month exhibit the dynamic and diversity of modern mathematics. The article by Chris Byrnes considers applications of modern topology to questions of physics. The article by Dick Gundy shows how wavelets can be used to understand probability theory. And the article by Jerry Folland considers questions of communication that will resonate with us all. The interview with Luc Illusie about Alexander Grothendieck will give us all pause for thought.
--Steven G. Krantz, Editor

### Christopher I. Byrnes

(pp. 1080)

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### Richard F. Gundy

(pp. 1094)

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### Luc Illusie, with Alexander Beilinson, Spencer Bloch, Vladimir Drinfeld, at al.

(pp. 1106)

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### Gerald B. Folland

(pp. 1121)

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