James Robert Mellow was an American art critic and biographer. After starting his art career in the mid 1950s, Mellow primarily worked in editorial positions for Arts Magazine and Industrial Design during the 1960s. As an art critic from the mid 1960s to mid 1970s, Mellow worked for The New Leader, Art International, and The New York Times. Apart from art, Mellow became a biographer in 1974 when he released a biography on Gertrude Stein.