The deep friendship between Jewish theologian Abraham Joshua Heschel and Martin Luther King, Jr. transcended mere political alliance, emerging from profound theological resonance in their religious worldviews. Comparative textual analysis of their writings and speeches reveals three foundational connections: both emphasized Hebrew Bible narratives, particularly Exodus and prophetic literature, over Christian themes; both conceived of a God intimately responsive to human suffering rather than transcendently detached; and both understood themselves as prophetic voices articulating divine perspectives on social justice. King's strategic shift from Jesus-centered rhetoric to Moses and the Hebrew prophets, including his adoption of Heschel's translation of Amos 5:24, reflected genuine theological alignment with Jewish biblical interpretation. Rejecting both neo-orthodox transcendence and liberal impersonalism, these theologians developed frameworks where human actions directly affected God's emotional life. Their collaboration in civil rights and anti-Vietnam War activism flowed from this shared conviction that authentic religious faith demands confrontation with injustice. Their relationship represents a remarkable moment of Black-Jewish theological synthesis, grounded in biblical spirituality that elevated political activism to sacred history—offering a compelling model for contemporary interfaith dialogue and cooperation.