Ida Minerva Tarbell was an American writer, investigative journalist, biographer, and lecturer. She was one of the leading muckrakers and reformers of the Progressive Era of the late 19th and early 20

Samuel Sidney McClure was an Irish-American publisher who became known as a key figure in investigative, or muckraking, journalism. He co-founded and ran McClure's Magazine from 1893 to 1911, which ra