Lester Allan Pelton
Lester Allan Pelton ( September 5 , 1829 – March 14 , 1908 ) was an American inventor who contributed significantly to the development of hydroelectricity and hydropower in the American Old West as well as world-wide . 
<triplet> Lester Allan Pelton <subj> September 5, 1829 <obj> date of birth <subj> March 14, 1908 <obj> date of death