Albert Einstein (1879-1955).

Typed letter signed (‘A. Einstein’) to Dr Robert Weltsch, Haberlandstrasse 5, Berlin, 10 November 1928.

In German. Half page, 285 x 225mm. With a typescript copy of a second letter by Einstein on the same subject, December 1928.

Recommending a paper on causality. Einstein would be happy to recommend a paper by Hugo Bergmann to the journal of Kant studies; in the case of [Arnold] Berliner (editor of Naturwissenschaften), he would only intervene if Berliner asked him, ‘as my recommendation to him is already more than tired’. In the copy letter, Einstein provides a longer, more formal recommendation of Bergmann’s work on the problem of causality, praising his ability to combine philosophy and physics.

Hugo Bergmann (1883-1975) spent his early years in Prague, where he was a school friend of Franz Kafka: after emigrating to Palestine in 1920 he became the first director of the National and University Library, and from 1928 a lecturer in philosophy (and later rector) at the Hebrew University.

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