Areas of Expertise

• Comparative planetology
• astrobiology
• earth system science
• theory of civilization

Bio
Professor Emeritus, University of Tokyo; Director, Planetary Exploration Research Center, Chiba Institute of Technology Earned a doctorate in science from the Faculty of Science, the University of Tokyo, in 1970. Served as a visiting research fellow at NASA and as professor at the University of Tokyo; engaged in various other activities before assuming his current position. Is now focusing on astrobiology.