author
Julia de Fontenelle (Jean-Sébastien-Eugène)
1790–1842
A French pharmacist and chemist who loved making science useful, he wrote practical manuals that brought technical knowledge closer to everyday readers. His work sits at the crossroads of medicine, chemistry, and popular science in early 19th-century France.
1 Audiobook
Manuel complet des fabricans de chapeaux en tous genres
by Julia de Fontenelle (Jean-Sébastien-Eugène)
About the author
Jean-Sébastien-Eugène Julia de Fontenelle was a French pharmacist, chemist, and science popularizer, born in Narbonne and active in the early 1800s. Sources agree that he died in Paris in 1842, though I found a small disagreement about his birth year: Wikipedia gives 18 October 1780, while the Bibliothèque nationale de France catalogs him as 1790–1842.
He studied at the Faculty of Pharmacy in Montpellier and built a career that mixed scientific practice with teaching and public explanation. Library and catalog records describe him as the author of many manuals, especially in the well-known Roret series, covering practical scientific and technical subjects for a broad readership.
That mix of chemistry, pharmacy, and accessible instruction is what makes him memorable today. Rather than writing only for specialists, he helped turn scientific know-how into something readers could apply in daily life and skilled trades.