David Parnas (computer scientist)

David Parnas is a pioneering computer scientist known for his work in software engineering. He introduced the idea of designing software in modular parts, or "modules," so each part can be developed, tested, and maintained independently. This approach improves software reliability and makes updates easier. His principles emphasize clear design and separation of concerns, helping programmers create more organized and adaptable systems. Parnas's contributions have had a lasting impact on how complex software is built and maintained today.