McClure, Samuel Sidney, 1857–1949, American editor and publisher, b. Co. Antrim, Ireland. He emigrated to America as a boy. In 1884 he established the McClure Syndicate, the first newspaper syndicate in the United States. He founded McClure's Magazine in 1893 and, as editor, made it a great success, particularly during the era of the muckrakers, when it published the articles of many of the journalistic leaders of the muckraking movement. McClure's works include Obstacles to Peace (1917), The Achievements of Liberty (1935), and What Freedom Means to Man (1938).
See his autobiography (1914); biography by P. Lyon (1963, repr. 1967).
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