The programmer as navigator

  • Authors:
  • Charles W. Bachman

  • Affiliations:
  • Honeywell Information Systems, Inc., Waltham, MA

  • Venue:
  • Communications of the ACM
  • Year:
  • 1973

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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.