Banaszak-Léonard, EstelleEstelle Banaszak-Léonard was born in Lorraine, where she completed all her studies, up to her PhD. After a first Post-Doctorate at the University of Birmingham (UK) and a second one at the University of Maine (Le Mans) where she discovered azobenzenes, since 2008, she evolves as a Teacher-Researcher in the TIMR UTC / ESCOM Laboratory.