Paul Marlor Sweezy was a Marxist economist, political activist, publisher, and founding editor of the long-running magazine Monthly Review. He is best remembered for his contributions to economic theory as one of the leading Marxian economists of the second half of the 20th century.

The Monthly Review is an independent socialist magazine published monthly in New York City. Established in 1949, the publication is the longest continuously published socialist magazine in the United States.