Richard Wallach
Richard Wallach ( April 3 , 1816 – March 4 , 1881 ) was an American politician who served as the nineteenth and first Republican Mayor of Washington , D . C . 
<triplet> Richard Wallach <subj> April 3, 1816 <obj> date of birth <subj> March 4, 1881 <obj> date of death <subj> Republican <obj> member of political party <subj> Mayor of Washington, D.C. <obj> position held