father death_date death_place mother birth_name birth_place nationality birth_date significant_buildings image article_title significant_projects name
rudolf simeon wagner 11 april 1918 vienna , austria-hungary suzanne von helffenstorffer-hueber otto koloman wagner vienna , austrian empire austria-hungarian 13 july 1841 floodgate , nußdorf , vienna otto wagner photo2 retouched.jpg otto wagner
 viennese wiener stadtbahn otto koloman wagner
otto wagner

otto koloman wagner -lrb- ; 13 july 1841 -- 11 april 1918 -rrb- was an austrian architect and urban planner , known for his lasting impact on the appearance of his home town vienna , to which he contributed many landmarks .
