Mining engineer in Malaya. Worked for the Portuguese government in Timor, where he met Alfred Russel Wallace in 1861, and was working in Malacca (Melaka) in 1867. Later a mineral and consulting engineer in Guildford, Surrey.
Sources: BMD (Death index)Census returns of England and Wales 1871 (The National Archives: Public Record Office RG10/812/45/34) Correspondence vol. 15, letter from A. R. Wallace, 2 March England & Wales, national probate calendar (index of wills and administrations), 1858–1966 (Ancestry.com, accessed 21 August 2015)Marchant ed. 1916 (See the bibliography for full references to sources)