The programmer as navigator

Open Access

1 November 1973

journal article
Published by Association for Computing Machinery (ACM) in Communications of the ACM

Vol. 16 (11) , 653-658
https://doi.org/10.1145/355611.362534

Abstract

This year the whole world celebrates the five-hundredth birthday of Nicolaus Copernicus, the famous Polish astronomer and mathematician. In 1543, Copernicus published his book, Concerning the Revolutions of Celestial Spheres , which described a new theory about the relative physical movements of the earth, the planets, and the sun. It was in direct contradiction with the earth-centered theories which had been established by Ptolemy 1400 years earlier.

Keywords

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Data structure diagrams
ACM SIGMIS Database: the DATABASE for Advances in Information Systems, 1969