Henry Mangles Denham carried out major survey work around Australia and in the SW Pacific in the period 1852 to 1861.
Reached rank of Admiral in the Royal Navy;
Entered the navy at the age of 12; became dedicated to hydrographic work. Opened the port of Liverpool. Knighted and became F.R.S. in 1839. In 1854 (July 2): Capt Denham in HMS Herald came to complete a (chart) survey of the island of Raoul Sunday in NZ.
The town of Denham in Australia is named after him: DENHAM, Latitude 25° 56' S Longitude 113° 32' E
Book by Brian Roylance on Pacific expeditions published in 1987.
David, A. (1995). The voyage of HMS Herald to Australia and the South-west Pacific 1852-1861 under the command of Captain Henry Mangles Denham. Carlton, V: Miegunyah.
"Voyage of H.M.S. Herald under the command of Captain H. Mangles Denham R.N., being private Journal kept by John MacGillivray, naturalist" 21 February 1852 - January 1855. This is held at National Library of Australia Manuscript Collection. Source: pers.comm. Howard Palmer, January 2006
Source: pers.comm. Howard Palmer, January 2006