Born in Newfoundland and educated at Poole and Southampton. He studied medicine at Guy's Hospital under John Morgan (qv), who married his sister Anne. He practised for fifteen years at Hoddesdon in Hertfordshire, but suffering severely from bronchitis he emigrated to South Australia in 1850 and settled in Adelaide, where he was in partnership with Messrs Bayer and Whittell. He was appointed Colonial Surgeon and Superintending Surgeon to the Lunatic Asylum in 1852 and was elected Surgeon to the Adelaide Hospital in 1857. He was President of the Central Board of Health in 1874 and Public Vaccination Officer. He was first Warden of the Senate of the Adelaide University and a Governor of the South Australian Institute. He was also the originator of the Home for Incurables. He married Agnes Grant, and his son Charles was in partnership with his father. His daughter, Mrs Alexander Hay, and her daughter were drowned when the *Waratah* sank with all hands off the coast of South Africa in 1901. Gosse retired from practice in 1880 and died of senile decay on July 21st, 1883.