About Guillaume Lachenal Guillaume Lachenal is an associate professor in the history of science at the University Paris Diderot. He is the author of Le médecin qui voulut être roi: Sur les traces d’une utopie coloniale. Books by Guillaume Lachenal The Lomidine Files The Untold Story of a Medical Disaster in Colonial Africa by (author) Guillaume Lachenal translated by Noémi Tousignant