Since 1978, Val Raghavan has been a Professor at The Ohio State University, Columbus, Ohio (USA), where he is currently affiliated with the Department of Plant Cellular and Molecular Biology. After obtaining a Ph.D. degree from Princeton University, Dr. Raghavan held post-doctoral positions at Harvard University, Rockefeller University, and Dartmouth College, and faculty appointments at the University of Malaya, Kuala Lumpur and the National University of Singapore. He has published extensively on various aspects of the development of vascular plants, especially on zygotic and asexual embryoge...