Jay Lovestone was an American activist. He was at various times a member of the Socialist Party of America, a leader of the Communist Party USA, leader of a small oppositionist party, an anti-Communist and Central Intelligence Agency helper.
In 1921, Lovestone became editor of the Communist Party newspaper, “The Communist”, and sat on the editorial board of The Liberator, the arts and letters publication of the Workers Party of America. Upon the death of Charles Ruthenberg in 1927, he became the party’s national secretary.
Lovestone had, while within the Communist Party, played an active role in the Party’s labor activities, primarily within the United Mine Workers, where the party supported the revolt led by John Brophy against John L. Lewis’ Leadership.