Francis Wheeler Loomis
Francis Wheeler Loomis ( August 4 , 1889 – February 9 , 1976 ) , born in Parkersburg , West Virginia , was an American scientist most widely known for his contributions in the field of physics . 
<triplet> Francis Wheeler Loomis <subj> August 4, 1889 <obj> date of birth <subj> February 9, 1976 <obj> date of death