John Arthur Harland Hancock (1923 – 7 June 1974) was a British venereologist and editor of the British Journal of Venereal Diseases who wrote on non-gonococcal urethritis and reactive arthritis, what was known as Reiter's disease at the time.
In 1945, while studying medicine at the London Hospital, he was one of the voluntary students sent to Belsen to assist nutritionist Arnold Peter Meiklejohn in feeding the starving inmates.
In 1945, while studying medicine at the London Hospital, he was one of the voluntary students sent to Belsen to assist nutritionist Arnold Peter Meiklejohn in feeding the starving inmates.
In June 1957, he spent one year as Fellow in Medicine at the Syphilis Clinic and Department of Chronic Diseases at the Johns Hopkins Hospital, Baltimore.
When he returned to the London Hospital as a senior registrar, he was appointed Assistant Physician to the Medical Research Council Working Party on non-gonococcal urethritis.