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In page Plankalkül:

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Unable to continue building computers -- which was also forbidden by the Allied Powers[12] -- Zuse devoted his time to the development of a higher-level programming model and language.[5] In 1948 he published a paper in the Archiv der Mathematik and presented at the Annual Meeting of the GAMM.[13] 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."[citation needed] He expressed disappointment that the designers of ALGOL 58 never acknowledged the influence of Plankalkül on their own work.[5][14]