William "Boss" Tweed - Democratic party poster boy from way back William Marcy Tweed" and widely known as "Boss" Tweed—was an American politician most notable for being the "boss" of Tammany Hall, the Democratic Party political machine that played a major role in the politics of 19th century New York City and State. At the height of his influence, Tweed was the third-largest landowner in New York City https://en.wikipedia.org/wiki/William_M._Tweed