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): Anna Maria Jopek • Calvyn Justus • Charlie Rich • Claude Davey • Craig Biggio • Dan Dailey • George Furth • Greg Abbott (footballer) • Hanne Haugland • Johnny Jeter • Joshua Rush • Kenneth Medwood • Patty Schnyder • Ruth Fuchs • Tori Kelly

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