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A memorial service for Mr. Toshiharu Hasegawa was held.

A memorial service for Dr. Toshiharu Hasegawa, the second president of Kyoto College of Graduate Institute of Information (KCGI) and a world-renowned authority on operations research, who passed away last November, was held on Saturday, January 28 at the Kyoto Station Satellite Main Hall of Kyoto College of Graduate Institute of Information.

The first part of the memorial service was a memorial concert for Mr. Toshiharu Hasegawa, who was a classical music fan, and it was open to the public.At the beginning of the ceremony, President Wataru Hasegawa said, "Dr. Toshiharu Hasegawa was a truly great professor for our university.I would like to pledge our further development before the spirit of the deceased," he said.

Following this, Akiko Sugitani, a pianist with close ties to the university, performed Alessandro Scarlatti's "KK380 in E major," Mozart's "Sonata in A minor, K310," "Rondo in A minor, K511," and other pieces that Professor Toshiharu Hasegawa loved.In addition, Mr. Gleb Nikitin, a violinist, performed Beethoven's "Violin Sonata No. 5 in F major "Spring"" and Sarasate's "Zigoinelwaizen" in an ensemble, which impressed the people related to Prof. Toshiharu Hasegawa, KCGI and KCG students.

In the second part, three lecturers who were trained by Dr. Toshiharu Hasegawa introduced Dr. Hasegawa's achievements.First, Prof. Toshihide Ibaraki, President of KCGI, talked about his modest and generous personality, and introduced his academic achievements mainly in the field of communication engineering, where he proposed the asynchronous time-division multiplexing method and was involved in road traffic control on highways.Then, Prof. Yutaka Takahashi, Graduate School of Kyoto University and Prof. Hiroyuki Kono, Nanzan University explained the achievements of their professors in the field of communication engineering and road traffic control, respectively.

In the third part, we moved to the foyer in front of the hall and held a "memorial gathering" with the participation of more than 100 people associated with him.Professor Noboru Takahiro of KCGI, a disciple of Prof. Toshiharu Hasegawa, presided over the event, which was followed by greetings from Dr. Wataru Hasegawa, Chairman of the Board of Trustees, and President Ibaraki.His words that we should teach students 'what is always useful and what will always be useful' have remained in my heart" (Masanori Fushimi, Professor, Nanzan University and Professor Emeritus, University of Tokyo).

Finally, on behalf of the bereaved family, Ms. Isokane's daughter, Ms. Yusuko Isokane, said, "Thank you very much for holding this memorial concert today for my father, who loved classical music.I was moved by the performance of the song that my father used to sing at home.My father loved interacting with students and always seemed to enjoy talking about his own students.I am happy to have met you all today because of my father's warm personality," he said.

Dr. Toshiharu Hasegawa taught and encouraged many people, and left a great mark on learning and human resource development.The people associated with him were forever sharing their memories of him.

Gleb Nikitin and Akiko Sugitani performing at the memorial concert
President Ibaraki introducing the achievements of Dr. Toshiharu Hasegawa
Professor Takahashi, Graduate School of Engineering, Kyoto University, introducing his achievements in the field of communications engineering
Professor Kono, Nanzan University, introducing his achievements in the field of road control
Professor Gao presiding over the memorial service
Wataru Hasegawa, Chairman of the Board of Trustees, gives a speech at the memorial gathering.
Discussion at the memorial gathering