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Obituary〉 Dr. Tokio Ueno

Dr. Sueo Ueno, an astrophysicist and former director of the KCG Information Science Laboratory and a world authority on radiation transport theory, passed away on October 19.He was 100 years old.He has made significant contributions to the scientific demonstration of global environmental issues and to the development of education at Tohoku University.Our deepest condolences go out to the family.

The wake and funeral will be held only by the family.

Dr. Ueno is a graduate of the Faculty of Science, Kyoto University, and a doctor of science.In addition to being a professor at the Kanazawa Institute of Technology, he was a visiting researcher at the Institute of Astrophysics in Paris and the National Aeronautics and Space Administration, and a visiting professor at the University of Southern California and the Massachusetts State University. In 1988, he became the first director of the KCG Information Science Institute.During his tenure as Director, he not only led the KCG Group's research in information science, but also contributed greatly to the internationalization of the KCG Group by frequently holding international workshops within the KCG Group and making efforts to establish the KCG School in Boston.

Dr. Ueno's theory of radiation transport, also known as radiative transfer theory, has been attracting attention as an important research field for scientifically demonstrating global environmental problems.Dr. Ueno is well known for his early detection of global environmental problems and his energetic efforts in scientific verification using satellite data.From the group that Dr. Ueno founded to work on global environmental problems in satellites, the "Atmospheric Correction of Satellite Data" science team, which is now active in the National Space Development Agency of Japan, was born.He has continued his research activities at the forefront of the field for a long time, and has left a significant mark on international collaborative research and academic activities.

Many researchers have learned from Dr. Ueno, including Dr. Yasuko Hasegawa, President of Kyoto Computer Gakuin, and Dr. James Hansen, Director of NASA's Goddard Institute for Space Studies and Visiting Professor at Columbia University's Department of Earth and Environmental Sciences. In March 2011, a symposium was held at Kyoto Computer Gakuin's Kyoto Station School to commemorate Dr. Ueno's 100th birthday (February 26).

The researchers around him admired his keen eye for the future of the times, and he was well-liked for his serious and warm personality.I would like to express my heartfelt gratitude to him and pray for his peaceful and eternal rest.