"Even Wyschogrod's writing that focuses solely on Jewish theology could be said to show evidence of the importance in his thought of dialogue between Jewish and Christian theology.His emphasis on the radical and sublime shock and force of God's choice to enter human history in and through the people of Israel, a unilateral and non-abrogable event, shows an affinity with the thought of the neo-orthodox Protestant theologian Karl Barth, whose work Wyschogrod considered relevant to Jewish theologians.