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324Summary: I graduated from Osaka University in 1982 and joined the Department of Traumatology, Osaka University Medical School. Patients with severe injuries and illnesses were brought in every day. Staff brushed up their skills on site, taught each other, and engaged in friendly competition for research. We had many frustrating moments when we could not save lives. Since then, the needs of emergency medicine have changed, and the scope of practice of emergency physicians has expanded to include pre-hospital emergency care, primary health care, intensive care, and disaster medicine. I was transferred to Juntendo University Urayasu Hospital in September 2007. Soon after my assignment, Urayasu Hospital was in the spotlight due to the emergency hospitalization of the All-Japan soccer coach and the Chinese frozen dumpling incident. It is said that emergency medicine is a mirror of society. I myself have experienced many disasters and incidents. It has been 15 years since I was assigned to this hospital, and I have 62 colleagues at Urayasu Hospital. They have all acquired various medical specialties, and some are emergency medicine specialists. In 2019, we hosted the 47th Annual Meeting of the Japanese Association for Acute Medicine. The theme of the conference is “Fudan Zenshin, Kyumeikyukyu (constant advancement, emergency medical services)”. Emergency medical care is the starting point of “medicine” and is the ultimate source of life preservation for all citizens. We emergency physicians will continue to provide lifesaving medical care to patients without giving up until the very end, to keep the light of life from going out.Key words: emergency medicine, pre-hospital emergency care, primary health care, intensive care, disaster medicineJuntendo Medical Journal2022. 68(4), 324-331Special ReviewsI am pleased to announce that I will be retiring at the end of March 2022. I would like to express my sincere gratitude to Chairman Hideoki Ogawa and the many others who have guided and supported me throughout the years.Before moving to Juntendo UniversityI graduated from Osaka University in 1982 and joined the Department of Traumatology, Osaka University Medical School because of my admira-tion for the work “Black Jack” by Osamu Tezuka, my senior in high school and college. At that time, Department of Emergency and Disaster Medicine, Juntendo University Urayasu Hospital, Chiba, JapanCorresponding author: Hiroshi TanakaDepartment of Emergency and Disaster Medicine, Juntendo University Urayasu Hospital2-1-1 Tomioka, Urayasu, Chiba 279-0021, JapanE-mail: htanaka@juntendo-urayasu.jp355th Triannual Meeting of the Juntendo Medical Society “Farewell Lectures of Retiring Professors”〔Held on Mar. 30, 2022〕〔Received　May. 12, 2022〕〔Accepted　May. 16, 2022〕J-STAGE Advance published date: Aug. 1, 2022Copyright © 2022 The Juntendo Medical Society. This is an open access article distributed under the terms of Creative Commons Attribution License (CC BY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original source is properly credited. doi: 10.14789/jmj.JMJ22-0022-Rpatients with severe trauma, burns, poisoning, sepsis, and other serious illnesses were brought in every day. Staff brushed up their skills on site, taught each other, and engaged in friendly compe-tition for research. We had many frustrating moments when we could not save lives. My mentor, Professor Tsuyoshi Sugimoto, often told me, “general surgeons should be ashamed of intraoper-ative death, and emergency surgeons should be ashamed when they miss the timing of surgery and let a patient die.” Currently, the needs of emer-gency medicine have changed, and the scope of practice of emergency physicians has expanded to include pre-hospital emergency care, primary Fudan Zenshin, Kyumeikyukyu ; ~Now JIN again~PrefaceHiroshi TANAKA