Dr David Stark Murray (1900–1977), son of Robert Murray MP was a consultant pathologist and President of the Socialist Medical Association 1951–70. He was active in campaigning for the establishment of the British National Health Service.
He was the author of The Future of Medicine (Penguin), Health For All (Gollancz) and Why a National Health Service? (Pemberton Books 1971).
For many years he edited the Socialist Doctor, Medicine Today and Tomorrow, and Socialism and Health. He wrote innumerable articles on the health service under his own name and under pseudonyms, specially that of Irwin Brown.