H. P. Ruffell Smith

Group Captain Hugh Patrick Ruffell Smith, was a British physician, pilot, and Royal Air Force officer. He is best known for revolutionizing the study of human factors integration into aviation safety, particularly with his work in crew resource management, culminating in a landmark technical memorandum for NASA titled "A simulator study of the interaction of pilot workload with errors, vigilance, and decisions". His obituary in The Times stated: "few aircraft flying today do not carry some evidence of his research into instrument presentation or cockpit layout". He was awarded the Air Force Cross three times.