The presence of the unidentified Orthodox prelate suggests to me that this photo with Nathan Söderblom, center, Primate of Sweden, may date to the 1925 Conference on Faith and Work, in which he brought together Anglican, Reformed, Lutheran and Orthodox leaders to promote joint efforts on world peace, justice and social issues. Four years later he won the Nobel Peace Prize. In Sweden he is known as the people's Archbishop; like Christian Führer, he was a Lutheran.
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