Closing Ceremony

• Prof. Kohei Tamao (Chairman, Executive Committee for IYPT2019 in Japan)
• Prof. Natalia Tarasova (Past President, IUPAC; Co-chair Inter-Union Management Committee IYPT2019)
• Mr. Philippe Pypaert, Chief Science Officer of the UNESCO Office in Beijing on behalf of Ms. Audrey Azoulay (Director General, UNESCO)
• Mr. Yutaka Hishiyama, Director General, Science and Technology Bureau, Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
• Prof. Grigory Trubnikov, First Deputy Minister of Science and Higher Education of Russia
• Prof. Hiroshi Matsumoto, President, RIKEN, Japan

Congratulatory addresses:

• Dr. Miyoko O. Watanabe (Vice President, Science Council of Japan)
• Prof. Aslan Tsivadze (President, Mendeleev Russian Chemical Society)
• Prof. David Cole-Hamilton (Past President, EuChemS)
• Dr. Bonnie Charpentier (President, American Chemical Society)
• Prof. Zhigang Shuai (Vice President, Chinese Chemical Society)
• Prof. Hyun-Joon Ha (President, Korean Chemical Society)

• Dr. Lynn M. Soby (IUPAC Executive Director) “Periodic Table of Younger Chemists”
• Prof. Alexey Khokhlov (Vice President, Russian Academy of Sciences) “IYPT2019 Activities in Russia”
• Prof. Mei-Hung Chiu (Distinguished Professor, National Taiwan Normal University, Graduate Institute of Science Education) “IYPT in Taiwan”
• Mr. Yoji Hisamatsu (Ehime Prefectural Science Museum; Vice-Chair, Expert Subcommittee of the Executive Committee for IYPT2019 in Japan) “IYPT Japan Exhibition Highlights”

• Mr. Frank Sekeris (IYPT2019 Management assistant) “Events in the world video summary”
• Dr. Bipul Behari Saha (Director ‒ R&D, L.R. Research Laboratories, NACL Industries, India) “IYPT Celebrations in India”
• Prof. Christopher Brett (Vice President, IUPAC) “Periodic Table Challenge”
• Dr. Brigitte Van Tiggelen (Science History Institute, Chair of the Commission for the History of Chemistry and the Molecular Sciences, International Union for the History and Philosophy of Science and Technology) “Women and the Periodic Table in Chemistry”

• Prof. José Ramón Bertomeu-Sánchez (Institute “López Piñero” for the History of Medicine and Science, University of Valencia, Spain) [Video Presentation] “Periodic Classifications in Action: Arranging and Discovering Elements during the 19th and Early 20th Century”
• Mr. Renaud Huynh (Director, Curie Museum in Paris, France) “Discovery of Radioactive Elements”

• Scientists who created and discovered superheavy elements appeared on stage to celebrate the completion of the 7th row of the Periodic Table. Special speeches were given by prominent scientists from the laboratories that contributed largely to the discoveries.
• Ms. Honoka Motai (Student, Tokyo Gakugei University Senior High School, Japan) played her piano fantasy “Nihonium” to celebrate the occasion.

• Award ceremony for the essay contest in Japan
• Short speeches by the awardees

• Prof. Alexander Sergeev (President, Russian Academy of Science)
• Prof. Sir Martyn Poliakoff (University of Nottingham, UK) [Video message]
• Prof. Makoto Kobayashi (Honorary Professor Emeritus, High Energy Accelerator Research Organization (KEK), Japan; Nobel Laureate in Physics (2008))
• Dr. Akira Yoshino (Honorary Fellow, Asahi Kasei Corporation, Japan; Nobel Laureate in Chemistry (2019)) [Video message]
• Short speeches by children (Honoka Motai, Riku Kakuhata, Licht J. Nagamori)

• Prof. Qi-Feng Zhou (President, IUPAC)
• Prof. Bruce McKellar (Past President, IUPAP)
• Prof. Junichi Watanabe (Vice President, International Astronomical Union)