Science & technology

Creation of ALGOL

1959

ALGOL, short for Algorithmic Language, was a family of programming languages created by an international committee of European and American computer scientists in the late 1950s. The first version appeared as ALGOL 58, and a more influential revision, ALGOL 60, followed after meetings in Zurich and Paris. It was designed to describe algorithms in a clear, machine-independent way and was widely used in universities and for publishing algorithms in journals. ALGOL introduced or popularised block structure, nested scopes and recursion, and its syntax was described using a formal notation later known as Backus-Naur form. Few commercial programs were written in it, but it shaped Pascal, C, Simula and many later languages, which is why it is often called the ancestor of modern programming languages.

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