In the pdf you linked, the caption says that they are the work of young calligraphists Ramzi Merdjal (Algeria), ing Ling Zhou and Ruo Yo Li (China). They name the individual styles. *Lunatic*, n. One whose delusions are out of fashion.
http://www.enst-bretagne.fr/data/ecole/Presentation/Rapport_activite/Rapport_activite_2006.pdf
44% of the school students are foreigner, 22% of school students are from Asia. 494 foreign students are coming from 48 countries.
There is even a chinese calligraphy club :)
The school has always been internationnally oriented, one of the requirement of my diploma was to spend 3 monhtes abroad (otherwise no diploma).
Opening to asia is a recent push from school management and government (there were far less asian students in my times 1994-1996).
