“Although Sidney Webb lent his name in support of the Frankfurt Institute when it was forced to emigrate, Adorno seems to have had no contact with him or others in the Fabian Society. He never joined the pacifist movements then so strong in English universities, and one searches his writings in vain for even a mention of the Spanish Civil War.”
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from Susan Buck-Morss, The Origin of Negative Dialectics: Theodor W. Adorno, Walter Benjamin, and the Frankfurt Institute (New York: Free Press, 1977), page 139.