Maurice Delacre (1862-1936) was a Belgian chemist, a member of the Royal Academy of Belgium and professor at the University of Ghent. His work Histoire de la Chimie (History of Chemistry) is an in-depth study of the development of chemistry through the ages. Awarded by the Institut de France (Binoux prize), this book demonstrates the recognition of his work in the history of science. The work traces the major stages of chemistry, from ancient practices to modern theories, and highlights key figures and major discoveries that have shaped this discipline.