Daniel De Leon, alternatively spelt Daniel de León, was a Curaçaoan-American socialist newspaper editor, politician, Marxist theoretician, and trade union organizer. Wikipedia
Born: December 14, 1852, Curaçao
Died: May 11, 1914 (age 61 years), Manhattan, New York, NY
Children: Solon De Leon
Nationality: American and Spanish
Organizations founded: Socialist Labor Party of America, Industrial Workers of the World, and Socialist Trade and Labor Alliance
Books
Writings of Daniel DeLeon: A Collection of Essays by One of the Founders of American Revolutionary Socialism
Two Pages from Roman History
1903
Socialist Landmarks: Four Addresses
Reform Or Revolution
1905
What Means this Strike?
1898
Socialism Versus Anarchism: A Lecture Delivered at Boston, October 13, 1901