David S. R. H. Feller

David S. R. H. Feller is a mathematician and computer scientist known for his work in formal methods and system verification, which involves mathematically ensuring that software and hardware systems behave correctly. His research helps improve the reliability and safety of complex systems like aircraft controls, medical devices, and security protocols. Feller's contributions enhance our ability to rigorously prove that technological systems function as intended, reducing errors and increasing trust in critical applications.