Caleb Gattegno
Egyptian mathematician and educator · United Kingdom · On the map · Academics · Lived 1911 to 1988 · aged 76
Caleb Gattegno (1911-1988) was an educator, psychologist, and mathematician. He is considered one of the most influential and prolific mathematics educators of the twentieth century. He is best known for introducing new approaches to teaching and learning mathematics, foreign languages and reading.
Caleb Gattegno is read about 23 times a day, in 9 languages.
A typical day, 30 days to 10 October 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 107 days, one point a day.
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Gattegno also developed pedagogical materials for each of these approaches, and was the author of more than 120 books and hundreds of articles largely on the topics of education and human development.
