AVIATION MEDECINE http://www.fleetairarmoa.org/Content...00_ISSUE_5.PDF
"It is perhaps not surprising that from the earliest exploits of the Royal Naval Air Service, interest in survival at sea attracted the attention of a unique breed of doctors – Medical Officers with a specialist knowledge of Aviation Medicine....
...Sir John Rawlins was the Navy’s first Specialist in Aviation Medicine at Farnborough and is highly respected for his work in the field of naval aviation safety. In 1950 he was awarded the MBE for his work on protective helmets, the early bone domes and in 1960 he was advanced to OBE for his experiments to develop a method of enabling aircrew to eject from an aircraft that had submerged under water. Months of meticulous trials were carried out during which Surgeon Lieutenant Commander Sandy Davidson RN (later Surg Captain OBE) bravely conducted a
live test ejection underwater...."