Introduction: Love and activism -- Jack and Esther's paths to activism and each other -- Radical marriage on the front lines of the double victory campaign -- The demise of the Black popular front in the postwar period -- Family and the Black freedom movement in the early Cold War years -- The Communist Party USA and Black freedom in the 1950s -- Radical journalism in the civil rights years -- Freedomways, the Communist Party USA, and Black freedom in the post-civil rights years -- Conclusion: Esther and Jack in American history.