Keywords: Young Poincare.jpg Henri PoincarĂ© Eugène Pirou 1841 “1909 http //www europeana eu/portal/record/03903/3C346EEF27532312811FE9573220FDB9617D9DF7 html start 9 query Henri+Poincar C3 A9 qf TYPE IMAGE 1887 other versions http //archive org/stream/revuedemtaphys21pariuoft page/n731/mode/2up Revue de mĂ©taphysique et de morale Vol 21 p 585 from 1913 dates photo as 1887 <br/>http //scholarship rice edu/handle/1911/8328/search query series 3A 28 22Volume+1 2C+ 20Number+2 22+- 22Page 22 29 Vol 1 No 2 edition of the Rice Institute Pamphlet from 1915<br/> 150px Pd-old Original upload log page en wikipedia Young_Poincare jpg 2005-09-08 08 05 Lumos3 290Ă—399Ă—8 10499 bytes <nowiki>Image taken from French wikipedia article</nowiki> Henri PoincarĂ© Eugène Pirou |