The exceptional opening of the archives of the pontificate of Pius XII (1939-1958) in 2020 did not end the controversies surrounding the silence of the pope in the face of Nazi atrocities. But, beyond the controversies, what do these new sources reveal? What do they contribute to our understanding of the Shoah, the Second World War and religious power? Do they allow us to grasp more finely the deep ambivalences of the Vatican, between charity and prejudice, in the face of anti-Jewish persecution?

Based on three years of examining these considerable funds in Rome, Lukewarm Souls: The Vatican facing the Shoah (La Découverte, 2024) probes the motivations and dilemmas of the people involved in this story, their voices but also their silences. Going beyond a classic approach focused on the pope and diplomacy, this work sheds light on the political, humanitarian, religious and cultural issues of the Holy See's choices. The book raises this question in the long duration of relations between the Church and the Jews in order to evaluate the weight of a centuries-old culture of hostility in the Vatican's responses to anti-Semitic persecutions, before and during the war, but also after the Shoah. Has this unprecedented level of violence against a minority shaken the old bedrock of Christian anti-Judaism?

Finally, by making the voices of those on the ground and the persecuted heard, in particular those of mixed Judeo-Christian families, this book questions more broadly the resilience of religion in the face of genocide and the capacity of our civil societies to respond to mass violence.

This book was originally published in French as Les âmes tièdes: Le Vatican face à la Shoah (La Découverte, 2024)

Geraldine Gudefin is a French-born modern Jewish historian researching Jewish family life, legal pluralism, and the migration experiences of Jews in France and the United States. She is currently a research fellow at the Hebrew University’s Avraham Harman Research Institute of Contemporary Jewry, and is completing a book titled An Impossible Divorce? East European Jews and the Limits of Legal Pluralism in France, 1900-1939.

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