Bienvenue sur le Réseau normalien
NETWORK
About ENS
Activate your account
Agenda
News
FAQ
Your contacts
DIRECTORIES & GROUPS
All directories
DER groups
Master MVA group
Theme groups
Geographical groups
INTERNSHIPS & JOBS
View offers
Post a job
Join a forum
PORTRAITS & MENTORING
Alumni portraits & testimonials
Mentoring
ENS ALUMNI ASSOCIATION
Contribute to ENS Alumni
Statutes
Internal regulations
Board of directors
Club ENS Alumni (Lyon & Paris)
ENS Alumni Group
en
NETWORK
About ENS
Activate your account
Agenda
News
FAQ
Your contacts
DIRECTORIES & GROUPS
All directories
DER groups
Master MVA group
Theme groups
Geographical groups
INTERNSHIPS & JOBS
View offers
Post a job
Join a forum
PORTRAITS & MENTORING
Alumni portraits & testimonials
Mentoring
ENS ALUMNI ASSOCIATION
Contribute to ENS Alumni
Statutes
Internal regulations
Board of directors
Club ENS Alumni (Lyon & Paris)
ENS Alumni Group
News
News
Search
Témoignages
Bernard Charlès : l'esprit normalien au service de la révolution industrielle
SD
Sophie DOTARO
1. July 2026
