Ronald D. Tabor is a long-time revolutionary activist and writer (author of Trotskyism and the Dilemma of Socialism [with Christopher Z. Hobson], and A Look At Leninism). A Marxist for many years, Tabor was active in SDS, a member of the International Socialists, and a founder of the Revolutionary Socialist League. After years of study, Tabor became critical of Marxism and embraced anarchism, becoming involved in the Love and Rage Revolutionary Anarchist Federation. He is currently part of the collective that publishes the Utopian magazine and a member of the First of May Anarchist Alliance.