Rollin White
Rollin White ( June 6 , 1817 – March 22 , 1892 ) was an American gunsmith who invented a single shot bored-through revolver cylinder that allowed paper cartridges to be loaded from the rear of a revolver's cylinder . 
<triplet> Rollin White <subj> June 6, 1817 <obj> date of birth <subj> March 22, 1892 <obj> date of death