He was actively involved in various fields,
【including medicine, for nearly 100 years.】
He became a translator and interpreter for the Owari domain when he was 46 years old.
He published "Sagawa Kijishi". He advocated the necessity of national defense, when he was 46 years old.
He established "Asahi-en", an herb garden, and held an exhibition there. He was then 56 years old.
Those exhibited in 1861 were stuffed birds and archaeological relics such as antique roof tiles and vessels. He was a collector of antique roof tiles, arrowheads, and comma-shaped beads.
He went to Edo (now Tokyo) when he was 59 years old. to work for the Edo shogunate. He studied zoology and botany, as well as minerals and ores.
A government office which carried out research and the translation of various documents published in European languages. Many of these were about military technology and foreign affairs. The Institute offered educational programs about these fields of study for young government officials. The Institute also promoted research activities in such fields as applied science, industry and industrial arts.
He became a professor at Tokyo University when he was 79 years old.
He received the Order of the Rising Sun, Gold Rays with Rosette, Fourth Class when he was 85 years old.
He became the first doctor of science in Japan when he was 86 years old.
When he was 97 years old, Ito was selected by ""Taiyo (The Sun)"", a popular magazine at that time, as No.1 in the category of Scientists, from among 12 outstanding figures of the Meiji Era.
Others include: Hirofumi Ito, Kazuo Hatoyama, Yukichi Fukuzawa, Judo Saigo, and Eiichi Shibusawa.
Ito passed away in 1901, when he was 99 years old.
He was given the title of Professor Emeritus by Tokyo University and awarded the Shoshii (Senior Grade, Fourth Court Rank) and the Order of the Third Class by the Japanese government. He was given the title of Baron.
Ito died of acute enteritis (an intestinal infection) after he ate some rabbit meat for dinner.
Ito Oritentalis (Itoa orientalis Hemsl)
Keiskea japonica (Collinsonia japonica)
Azalea keiskei (Rhododendron keiskei)
Keiskei fetterbush (Leucothoe keiskei)
Ashitaba (Angelica keiskei )
Lily-of-the-valley (Convallaria keiskei)
Inuyomogi（Artemisia keiskeana）
His secrets to a long life (Ito lived to be 99 years old)
Ito came from a long-lived family. (His parents and siblings all lived for more than 85 years. His uncles and aunts also lived for more than 80 years.
Be mild and calm. He had a mild and calm disposition.
Exercise. He enjoyed walking in the mountains from the time he was young.
No alcohol or smoking. He did not drink nor smoke.
Be sincere and responsible. Maintain enthusiasm.
Read books and get up early in the morning. He made it a habit to get up at three o'clock in the morning and read books enthusiastically.
Keep a diary.
Live a simple life. He was not fussy about food.
He became a translator and interpreter for the Owari domain when he was 46 years old.
He published "Sagawa Kijishi". He advocated the necessity of national defense, when he was 46 years old.
He established "Asahi-en", an herb garden, and held an exhibition there. He was then 56 years old.
Those exhibited in 1861 were stuffed birds and archaeological relics such as antique roof tiles and vessels. He was a collector of antique roof tiles, arrowheads, and comma-shaped beads.
He went to Edo (now Tokyo) when he was 59 years old. to work for the Edo shogunate. He studied zoology and botany, as well as minerals and ores.
A government office which carried out research and the translation of various documents published in European languages. Many of these were about military technology and foreign affairs. The Institute offered educational programs about these fields of study for young government officials. The Institute also promoted research activities in such fields as applied science, industry and industrial arts.
He became a professor at Tokyo University when he was 79 years old.
He received the Order of the Rising Sun, Gold Rays with Rosette, Fourth Class when he was 85 years old.
He became the first doctor of science in Japan when he was 86 years old.
When he was 97 years old, Ito was selected by ""Taiyo (The Sun)"", a popular magazine at that time, as No.1 in the category of Scientists, from among 12 outstanding figures of the Meiji Era.
Others include: Hirofumi Ito, Kazuo Hatoyama, Yukichi Fukuzawa, Judo Saigo, and Eiichi Shibusawa.
Ito passed away in 1901, when he was 99 years old.
He was given the title of Professor Emeritus by Tokyo University and awarded the Shoshii (Senior Grade, Fourth Court Rank) and the Order of the Third Class by the Japanese government. He was given the title of Baron.
Ito died of acute enteritis (an intestinal infection) after he ate some rabbit meat for dinner.
Ito Oritentalis (Itoa orientalis Hemsl)
Keiskea japonica (Collinsonia japonica)
Azalea keiskei (Rhododendron keiskei)
Keiskei fetterbush (Leucothoe keiskei)
Ashitaba (Angelica keiskei )
Lily-of-the-valley (Convallaria keiskei)
Inuyomogi（Artemisia keiskeana）
His secrets to a long life (Ito lived to be 99 years old)
Ito came from a long-lived family. (His parents and siblings all lived for more than 85 years. His uncles and aunts also lived for more than 80 years.
Be mild and calm. He had a mild and calm disposition.
Exercise. He enjoyed walking in the mountains from the time he was young.
No alcohol or smoking. He did not drink nor smoke.
Be sincere and responsible. Maintain enthusiasm.
Read books and get up early in the morning. He made it a habit to get up at three o'clock in the morning and read books enthusiastically.
Keep a diary.
Live a simple life. He was not fussy about food.