Catalyst COLLEGE OF CHEMISTRY UNIVERSITY OF CALIFORNIA, BERKELEY dean Charles B. Harris cbharris@berkeley.edu chair, department of chemistry Michael A. Marletta marletta@berkeley.edu chair, department of chemical engineering Jeffrey A. Reimer reimer@berkeley.edu
PUBLICATIONS STAFF assistant dean Jane L. Scheiber 510/642.8782; jscheib@berkeley.edu principal editor Michael Barnes 510/642.6867; m_barnes@berkeley.edu
8 contributing editor Karen Elliott 510/643.8054; karene@berkeley.edu alumni relations director Camille M. Olufson 510/643.7379; colufson@berkeley.edu
16 circulation coordinator Dorothy I. Read 510/643.5720; dorothy.read@berkeley.edu design Alissar Rayes Design printing University of California Printing Services
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ON THE COVER
Louis Pasteur in his lab, 1885, in a portrait by Finnish painter Albert Edelfelt. Image courtesy of the Pasteur Institute.
all text and photos by michael barnes unless otherwise noted. for online versions of our publications please see: chemistry.berkeley.edu Š 2007, College of Chemistry, University of California, Berkeley