Maurice Sion
Maurice Sion ( 17 October 1927 , Skopje – 17 April 2018 , Vancouver ) was an American and Canadian mathematician , specializing in measure theory and game theory . 
<triplet> Maurice Sion <subj> 17 October 1927 <obj> date of birth <subj> Skopje <obj> place of birth <subj> 17 April 2018 <obj> date of death