Professor Kwok is the Dean of Science and Chair Professor of Physics of the University of Hong Kong. He is the author of established books and numerous papers. Professor Kwok?s area of research is stellar evolution and astrochemistry. His theory on the origin of planetary nebulae has influenced our understanding of the death of Sun-like stars. He has been guest observer on many space missions including the Hubble Space Telescope and the Infrared Space Observatory. Between 1994 and 2006, Professor Kwok served as the Principal Investigator for Canada?s submillimeter-wave satellite Odin which was successfully launched in 2001. He has served in many national and international bodies, including… as chairman of the International Astronomical Union Working Group on Planetary Nebulae (1994-2001), and Vice President, International Astronomical Union, Division VI (Interstellar Matter) (2009-present).