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Denzō Ishizaki (Japanese: 石崎 伝蔵 / Kyūjitai: 石崎 傳藏) was a Japanese supercentenarian who, at the time of death, was Japan’s oldest living person and the world’s oldest living man. He also held the title of Japan’s oldest man ever between 1998 and 2001.
Denzo Ishizaki was born in Gundo Village (later Kanasagō; present-day Hitachiōta City), Ibaraki Prefecture, Japan, on 2 October 1886.
After graduating from Ota Junior High School (present-day Ota Daiichi High School), he became a teacher at a higher elementary school under the old system. At the young age of 27, he became the principal of the school and served until he was over 40. In 1912, he got married and had four children (two sons and two daughters). In 1946, his wife passed away. After retirement, he lived in his house while farming. He served one term as a village councilor.
Ishizaki started abstaining from alcohol and smoking around the age of 60, and he was never ill, but at the age of 108 he lost his eyesight due to cataracts. He decided to undergo surgery so that he could continue to reading. In his later years, his morning routine consisted of waking up at 3 AM, massaging himself and exercising, doing 80 pressure points, listening to the radio at 5:30, and reading three newspapers after breakfast. At the age of 107, he and his eldest daughter used to travel about an hour by bus and train to museums and art galleries in Mito City, and often visited department stores in Tokyo. He also paid attention to nutritional balance and planned his own daily menu.
Until he fell and injured himself in the early summer of 1997, at the age of 110, he walked 5,000 steps in and around his house every day, and claimed it was one of the secrets of his longevity, along with lukewarm baths, and beef. He also humorously replied: “It’s a secret because it’s called a ‘secret’. Ask God.” As an elderly man, he used to spend at least 5 hours a day reading. He lived with his eldest daughter. Around March 1999, a month before his passing, his physical condition deteriorated and he was recuperating at home.
Ishizaki died from multiple organ failure in his hometown on 29 April 1999, at the age of 112 years.
On 24 January 1997, following the death of 112-year-old Gengan Tonaki of Okinawa, he became the oldest living man in Japan, at the age of 110.
On 25 December 1998, following the death of 113-year-old Walter Richardson of the USA, he became the world’s oldest living man, at the age of 112 years, 84 days.
On 28 December 1998, he surpassed Tonaki’s final age, becoming the oldest Japanese man ever, at the age of 112 years, 87 days. He held the title until 19 October 2001, when his final age was surpassed by Yukichi Chuganji (although the claimed 120-year-old Shigechiyo Izumi was still believed to have been older).
On 12 February 1999, following the death of 113-year-old Yasu Akino of Shizuoka, he became the oldest living person in Japan, at the age of 112.
At the age of 100 Source: 日本百歳人名鑑
At the age of 105.
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