Great scholar, both botanist, geologist, archaeologist, specializing in fish and shellfish, Theodore Monod was a naturalist of genius. But it was above all the man of the desert, the insatiable explorer did not hesitate to go in difficult conditions. This book is an opportunity to trace its incredible camel through the beautiful photos of those who accompanied him. Among the first to study and fight for the environment, Theodore Monod is a man of strong and multiple commitments. Throughout his life, he resisted during the war first and then against all injustices against men, and against the degradation of the planet. From the personal archives of the children and the family of Theodore Monod, this book reveals exceptional and unpublished booklet held by his mother at his birth until his notebooks exploration ... Next chronologically and thematically, the the book shows, through photos, illustrated manuscripts, letters, personal belongings, all facets of Theodore the scientist, the man committed man of faith.