Dr. Meng-Kin Lim is Associate Professor in the Department of Community, Occupational & Family Medicine, National University of Singapore, where he teaches Public Health and Occupational Medicine. He is deeply interested in the place and destiny of humans in the Universe. A specialist in Aviation and Occupational Medicine, he was formerly Chief of the Medical Corps of the Singapore Armed Forces and founding Director of both the RSAF Aeromedical Centre and the Defence Medical Research Institute. He is Fellow of the Royal College of Physicians of Edinburgh, Fellow of the Aerospace Medical Association, Academician in the International Academy of Aviation and Space Medicine, Member of the New York Academy of Sciences, Life Member of the World Future Society, and Humanity 3000 participant of The Foundation for the Future. In 1998, he was the Andre Allard lecturer at the 46th International Congress of Aviation and Space Medicine, and in 1999, the John Lane lecturer at the Combined Australian and New Zealand Aviation Medical Society's 50th Annual Scientific Meeting.