Daniel De Leon

Daniel De Leon, alternatively spelt Daniel de León, was a Curaçaoan-American socialist newspaper editor, politician, Marxist theoretician, and trade union organizer. He is regarded as the forefather of the idea of revolutionary industrial unionism and was the leading figure in the Socialist Labor Party of America from 1890 until the time of his death. De Leon was a co-founder of the Industrial Workers of the World and much of his ideas and philosophy contributed to the creations of Socialist Labor parties across the world, including: Australia, the United Kingdom, Canada, and the Socialist Trade and Labor Alliance.

14 December 1852

Born on the same birth day (14 December): Abbe Lane • Anna Maria Jopek • Charles Berkeley, 2nd Viscount Fitzhardinge • Chris Harris (actor) • Chris Waddle • David R. Harris (geographer) • Ellen Willis • Fabrizio Giovanardi • Hanne Haugland • Jane Cowl • Leland Chapman • Nate Ebner • Sophie Monk • Stan Smith • Thed Björk • Thomas Cochrane, 10th Earl of Dundonald • William Bedford (basketball)

Born in the same month (December 1852): Albert A. Michelson • Henri Becquerel • Johannes François Snelleman