About the Author

Arnold B. Scheibel, University of California, Los Angeles, convener of the Eighth CSEOL Symposium, is a Professor of Neurobiology and Psychiatry at the School of Medicine of the University of California, Los Angeles. Esteemed internationally for his studies of structural changes in the aging human brain, Dr. Scheibel is the author of more than 200 scientific publications and a Fellow of both the American Academy of Arts and Sciences and the Norwegian Academy of Sciences. In 1986, he was selected as the 61st UCLA Faculty Lecturer, “the highest honor the faculty can give one of its own." J. William Schopf, Editor, University of California at Los Angeles A member of the Department of Earth and Space Science, the Molecular Biology Institute, and the Institute of Geophysics and Planetary Physics (IGPP) at the University of California, Los Angeles. At UCLA he has been honored as the Faculty Research Lecturer and is recipient of the Distinguished Teacher Award and of the Faculty Prize for Academic Excellence. Discoverer of the oldest fossil now known on Earth, he has pursued geological and biological field studies in Australia, India, China, Europe, South Africa, North America, and the former Soviet Union.