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In computing circles, Heinz Rutishauser and Niklaus Wirth of Switzerland are well known for their contributions to the history of computing: Rutishauser developed the GQ-algorithm, and Wirth developed the Pascal programming language.

However, Herbert Bruderer of ETH (Eidgenossische Technische Hochschule) Zurich has found a treasure trove of scarcely known facts, unknown documents, and rare devices—chief of which is the program-controlled binary relay calculator, Zuse Z4—in the university’s main library archives.

Read more about his findings in the January—March 2017 issue of IEEE Annals of the History of Computing.

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