My h-index turns 40: my midlife crisis of impact.

EDITORIAL ADVISORY BOARD Carolyn R. Bertozzi University of California, Berkeley Brian T. Chait Rockefeller University Tim Clackson ARIAD Pharmaceuticals, Inc. Jon C. Clardy Harvard Medical School Benjamin F. Cravatt The Scripps Research Institute Peter B. Dervan California Institute of Technology Rebecca W. Heald University of California, Berkeley Linda C. Hsieh-Wilson California Institute of Technology Tony Hunter Salk Institute Stephen C. Kowalczykowski University of California, Davis Richard H. Kramer University of California, Berkeley Thomas V. O’Halloran Northwestern University Hiroyuki Osada RIKEN Anna M. Pyle Yale University Ronald T. Raines University of Wisconsin, Madison Charles Sawyers University of California, Los Angeles Stuart L. Schreiber Harvard University Peter G. Schultz The Scripps Research Institute Michael P. Sheetz Columbia University H. Ulrich Stilz Sanofi-Aventis, Frankfurt Christopher T. Walsh Harvard Medical School My h-index Turns 40: My Midlife Crisis of Impact I f you have not checked your h-index, it is about time you do so. If you do not know what the h-index is, it is about time you found out. It will change your life!