Colonel Sir Robert Hammill Firth, KBE, CB (1 December 1857, Byculla, Bombay – 6 June 1931, Finchley Road, London) was a British Army surgeon, tropical medicine specialist, and professor of military hygiene.
[3] He was educated privately by an Anglican rector at Ware, Hertfordshire and then at University College London.
After visiting a brother in South America, he joined on 3 August 1883 the British Army Medical Department as a surgeon.
[2][6] In 1897 Firth returned to British India to serve in the Tirah campaign in what is now the Khyber Pakhtunkhwa province of Pakistan.
Upon his return to England he held for a time the position of Sanitary Officer at Army Headquarters.
[2] For his WW I services, he was mentioned three times in dispatches and received the Victory and Allied medals.
[2] The President of the Portuguese Republic made him a Grand Officer of the Military Order of Aviz.
[1] In Lewisham, London on 15 March 1884 he married Mary Knight, a daughter of a solicitor.