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Handwerk der
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and married to the heiress of the prominent
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en 1912 le "record chronométrique mondial" à l'Observatoire Royal de Kew (Londres)
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In 1925, after selling his company, Ditisheim left La Chaux-de-Fonds and moved to
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Ditisheim studied at the Ecole
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415:(2 ed.). Krause Publications. p. 82.
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274:. Persecuted for being Jewish, he fled to
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385:"Les actualités à la une - Worldtempus"
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