Étienne Eugène Azam
Étienne Eugène Azam ( 28 May 1822 – 16 December 1899 ) , full name Charles-Marie-Étienne-Eugène Azam , was a French surgeon from Bordeaux who is chiefly remembered for his work in psychology , particularly a case involving a female patient he named "Félida X" who seemed to have "alternating personalities" , or what Azam referred to as "doublement de la vie" . 
<triplet> Étienne Eugène Azam <subj> 28 May 1822 <obj> date of birth <subj> 16 December 1899 <obj> date of death