RETROSPECTIVE:
Alan G. MacDiarmid (1927-2007)
Ray H. Baughman
A. G. MacDiarmid, a chemist who co-discovered metallic organic polymers, had a profound sense of responsibility toward individuals and humankind.
The author is at the NanoTech Institute, University of Texas at Dallas, TX 75080, USA. E-mail: ray.baughman{at}utdallas.edu