Original: Vice-Admiral John Hunter , RN ( 29 August 1737 -- 13 March 1821 ) was a British naval officer , explorer , naturalist and colonial administrator who succeeded Arthur Phillip as the second governor of New South Wales , Australia from 1795 to 1800 .
Simplified: John Hunter ( 29 August 1737 -- 13 March 1821 ) , was a Royal Navy admiral who became the the second Governor of New South Wales .