Thomas Edward Ring M.D., was appointed Surgeon in the Royal Navy on 20 July 1838 . He was on the List of Surgeons who were fit for service in 1841.
He was appointed to H.M.S. Wasp in 1842
He was employed as Surgeon Superintendent on two convict ship voyages to Australia:
1). John Renwick to VDL in 1843 - John Renwick to Van Diemen's Land in 1843. The Launceston Examiner reported that the John Renwick left London on 7th December with 161 male convicts under Dr. Ring's care. He returned to England on the Agostina in June 1843.
2). Angelina to VDL in 1844. - The Cornwall Chronicle reported that the Angelina arrived in Hobart from Woolwich on 24 August, having sailed on 25th April. She brought 167 female convicts and 9 children. Three convicts died on the passage and 2 children also. This voyage also employed a Matron, Mrs. Steedman who had formerly been in charge of female prisoners in the laundry at Millbank prison. In advertising for employment on arrival, she referred to Dr. Ring of Macquarie Street, Hobart Town.
In October 1844 Dr. Ring departed Hobart for Sydney on the brig Louisa and in January 1845 departed Sydney for London on the St. George.
He was on London College of Physicians List of extra licentiates in 1844
In 1852 the Morning Chronicle reported that he was absent from duties on the Waterloo flag ship due to illness.