History
The concept of information hiding was first documented in a paper by David Parnas, "On the Criteria to Be Used in Decomposing Systems Into Modules" published in the Communications of the ACM in December 1972. Before then, modularity was discussed by Richard Gauthier and Stephen Pont in their 1970 book titled Designing Systems Programs although modular programming itself had been used at many commercial sites for many years previously - especially in I/O sub-systems and software libraries- without acquiring the 'information hiding' tag - but for similar reasons (as well as the more obvious code reuse reason).
Read more about this topic: Information Hiding
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