Carl Rogers Darnall
Brigadier General Carl Rogers Darnall ( December 25 , 1867 in Weston , Texas – January 18 , 1941 in Washington , D . C . ) was a United States Army chemist and surgeon credited with originating the technique of liquid chlorination of drinking water . 
<triplet> Carl Rogers Darnall <subj> December 25, 1867 <obj> date of birth <subj> Weston, Texas <obj> place of birth <subj> January 18, 1941 <obj> date of death <subj> Washington, D.C. <obj> place of death