https://en.m.wikipedia.org/wiki/Andr%C3%A9_Lichnerowicz
https://youtu.be/l298jeGgroA
See the 1970s FrenchBaccalaureate Math Textbooks:(for UK Cambridge GCE A-level Math students, this is totally new “New Math” to us !)
French New Math Lichnerowicz Pedagogy
Mathtuition88 