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In page Plankalkül:

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Unable to continue building computers – which was also forbidden by the Allied Powers[8] – Zuse devoted his time to the development of a higher-level programming model and language.[5]: 18  In 1948, he published a paper in the Archiv der Mathematik and presented at the Annual Meeting of the GAMM.[1]: 89  His work failed to attract much attention.[citation needed] In a 1957 lecture, Zuse expressed his hope that Plankalkül, "after some time as a Sleeping Beauty, will yet come to life."[2]: 3  He expressed disappointment that the designers of ALGOL 58 never acknowledged the influence of Plankalkül on their own work.[5]: 18 [4]: 15