Books The French title translates loosely as Genius Gone Astray; Baillot's appears to be the only book-length biography of Claude. Patent , Improvements in Systems of Illuminating by Luminescent Tubes. 19 January 1915. 1870 births 1960 deaths Scientists from Paris 20th-century French engineers 20th-century French chemists 20th-century French inventors Members of the French Academy of Sciences Neon lighting ESPCI Paris alumni French collaborators with Nazi Germany Air Liquide people