David Léon Cahun (23 June 1841, Haguenau, Alsace – 30 March 1900, Paris) was a French traveler, Orientalist and writer. (Wikipedia)David Léon Cahun (23 June 1841, Haguenau, Alsace – 30 March 1900, Paris) was a French traveler, Orientalist and writer. (Wikipedia)