James Robert Green (November 4, 1944 – June 23, 2016) was an American historian, author, and labor activist. He was Professor of History Emeritus at the University of Massachusetts Boston.Green received his Ph.D. from Yale in 1972. Green studied under the legendary historian C. Vann Woodward, and became acquainted with the leftist historians Eric Hobsbawm and Herbert Gutman. During this time he also was involved in the anti-war movement, which eventually sparked his interest in the history of radicalism in the United States.Green's research focuses on radical political and social movements in the U.S. (including new social movements), as well as the history of labor unions in the United States. Green writes social and political history from "the bottom up." He writes from a leftist theoretical standpoint.In 1987, in addition to continuing on the faculty at UMass-Boston, Green was named a lecturer at the Harvard Trade Union Program (now called the Labor and Worklife Program) at Harvard Law School.In 1995, Green founded the Labor Resource Center at UMass-Boston.In 1998, Green was named a Fulbright scholar and taught at the University of Genoa in Italy.Green was a member of the Labor and Working-Class History Association (LAWCHA). He was a vice president of LAWCHA from 2001 to 2003 and its president from 2003 to 2005.