Donald Bernard Longmore, OBE, FRCSEd, FRCR (9 June 1928 – 31 October 2023) was a British consultant surgeon and clinical physiologist.

[1] He was a Consultant Surgeon and Clinical Physiologist at the National Heart Hospital from 1963 to 1980.

[2] Longmore also held management positions in companies delivering magnetic resonance services.

[2] Longmore was made an Officer of the Order of the British Empire (OBE) in the 1999 New Year Honours, "for services to Magnetic Resonance Scanning".

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