in 1973, an australian doctor named john holt tried a form of radio therapy on a terminally ill cancer patient for the first time. after injecting the patient with a solution to temporarily disable glucose suspension in the blood, dr holt used radiotherapy applied by directing waves in bursts directly at the site of the tumour. this caused the destruction of the tumour via overheating without causing any damage to surrounding healthy tissue. after the patients' complete recovery, d...