Pain Management as a specialty is concerned with the prevention, evaluation, diagnosis and treatment of painful disorders. The diagnosis relies on a thorough history and pain-oriented physical examination, including interpretation of diagnostic tests, and may require specialized diagnostic and therapeutic procedures.
The simple answer is that he was not always as disabled as he is today. Stephen Hawking was diagnosed with motor neurone disease in 1963. The doctors initially gave him two years to live but the disease's onset was not as rapid as they had expected. Two years later, he was still walking, albeit with a stick. Hawking was married to his first wife, Jane Wilde, on the 14th of July 1965.
Upon earning his Ph.D., Stephen Hawking became a Research Fellow, later becoming a Professorial Fellow at Gonville and Caius College. Stephen Hawking was born on the eighth of January in the year 1942 in Oxford, England. Stephen's parents had a house located in northern England, but the second world war was happening and Oxford was considered to be a safer place for a child to be born at the time.