Olga Hahn-Neurath
Olga Hahn-Neurath ( ; ; July 20 , 1882 – July 20 , 1937 ) was an Austrian mathematician and philosopher . 
<triplet> Olga Hahn-Neurath <subj> July 20, 1882 <obj> date of birth <subj> July 20, 1937 <obj> date of death