About the Authors
AJIT VARKI is a physician-scientist who is currently Distinguished Professor of Medicine and Cellular & Molecular Medicine, Co-Director of the Glycobiology Research and Training Center (GRTC) at the University of California, San Diego (UCSD), and Co-Director of the UCSD/Salk Center for Academic Research and Training in Anthropogeny (CARTA).
DANNY BROWER, an insect geneticist, was Professor and Chair of Molecular & Cellular Biology at the University of Arizona, Tucson. He died in 2007.