Charles Pollard Olivier
Charles Pollard Olivier ( April 10 , 1884 – August 14 , 1975 ) was an American astronomer , notable for his contributions to the study of meteors , double stars and variable stars . 
<triplet> Charles Pollard Olivier <subj> April 10, 1884 <obj> date of birth <subj> August 14, 1975 <obj> date of death <subj> American <obj> country of citizenship