Henri Becquerel | French Physicist & Radioactivity Pioneer | Britannica
Amazon.com: Les idées nouvelles sur la structure de l'univers, exposé élémentaire de la Théorie d'Einstein (French Edition): 9781523815838: Becquerel, Jean: Books
1953 Jean Becquerel - Portrait of the Physicist Who Died in the Loire-Atlantique - PR 365 | eBay