"1949-08-31Z"^^ . "French chemist" . . "Andr\u00E9-Louis Debierne (14 July 1874 \u2013 31 August 1949) was a French chemist and is considered the discoverer of the element actinium.Debierne studied at the elite \u00C9cole sup\u00E9rieure de physique et de chimie industrielles de la ville de Paris (ESPCI ParisTech). He was a student of Charles Friedel, was a close friend of Pierre and Marie Curie and was associated with their work."@en . "Andr\u00E9-Louis Debierne"@en . "1874Z"^^ . . . . "1949Z"^^ . "1874-07-14Z"^^ . . . . . "Debierne, Andre-Louis"@en .