Daniel De Leon

Daniel De Leon (/də ˈlɒn/; December 14, 1852 – May 11, 1914), alternatively spelt Daniel de León, was an 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.[2] 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.

Daniel De Leon
BornDecember 14, 1852
DiedMay 11, 1914(1914-05-11) (aged 61)
East Harlem, New York, United States
Other namesDaniel de León
Alma mater
Known forMarxism–De Leonism
Height5 ft 5 in (165 cm)[1]
Political partySocialist Labor Party
MovementAmerican Labor Movement
  • Sarah Lobo (m. died 1887)
Bertha Canary
(m. 1892)
Children9, including Solon