Barbara and Stephen Byers
ALS advocates, Madison, Wi.
Professor of molecular and cellular medicine, University of California at San Diego.
CEO, Neostem, Inc.
* Clive Svendsen
Professor of anatomy, University of Wisconsin-Madison
Hematologist-oncologist, University of Minnesota.
Founding director, W.M. Keck Center for Collaborative Neuroscience, professor at Rutgers, the State University of New Jersey
Megan Anderson, project assistant; Terry Devitt, editor; S.V. Medaris, designer/illustrator; David Tenenbaum, feature writer; Amy Toburen, content development executive