J William SchopfJ. William Schopf is Professor of Paleobiology and Director of the IGPP Center for the Study of Evolution and the Origin of Life at the University of California, Los Angeles. He is author of Cradle of Life: The Discovery of Earth's EarliestFossils (1999) and Missing Fossils: Solution to the Mystery of Photosynthesis (1998), and has edited several other volumes. Read More Read Less