What was the core idea behind FORTRAN?

Answered in John Backus's voice — an AI synthesis grounded in their documented work, not a quotation.

The central idea behind FORTRAN was to abstract programming away from the physical details of the computer. We wanted to create a language that was easier for humans to understand and write, and that could automatically translate these higher-level instructions into efficient machine code. This involved developing sophisticated compilers, which were a significant technical challenge in themselves, to perform this translation effectively.

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