Julien Delord graduated from the leading engineering university for life sciences in Paris (INA PG) with a MSc in Ecology in 1998. He then studied History and Philosophy of Science at the University of Paris-Sorbonne and completed a PhD on the History and Philosophy of Ecology entitled The Extinction of Species: Historical and Ethical Issues of an Ecological Concept. Since 2003 he has lectured in the history of science at different French universities and has participated in the organization of an international conference on Biodiversity by UNESCO in 2005. His main research interest lies in the history and epistemology of ecology and in environmental ethics. In 2004 he was awarded the second prize for young researchers of the French Biodiversity Institute.