Brigade-Surgeon-Lieutenant-Colonel Henry Thomas Brown served in the Ashanti War and was awarded the 1873–74 medal.
31 Mar 1866 Staff Assistant Surgeon.
9 Mar 1867 Assistant Surgeon Ceylon Rifle Regiment.
2 May 1868 Assistant Surgeon 59th (2nd Nottinghamshire) Regiment of Foot.
7 Oct 1871 Promoted Staff Assistant Surgeon.
1872 At Fethard Co. Tipperary Ireland.
1873 At Camden Fort Co. Cork Ireland.
1873–1874 Embarked for the Gold Coast. Served throughout in the Ashanti Campaign (Jan–July 1874).
July 1874 At Haulbowline Co. Cork Ireland.
1875–1877 At Limerick Co. Limerick Ireland.
1877–1878 At Kilkenny Co. Kilkenny Ireland.
31 Mar 1878 Promoted Surgeon-Major.
Mar 1878 Embarked for Bermuda.
Apr 1881 – 1882 Returned to Limerick.
31 Mar 1886 Surgeon-Lieutenant-Colonel.
29 May 1892 Brigade-Surgeon-Lieutenant-Colonel.
Malta 24 Mar 1896 Gave an unsatisfactory explanation as regards cases of venereal diseases found subsequent to disembarkation amongst draft from the 1st/Royal Lancashire Regiment at Malta, Brigade-Surgeon-Lieutenant-Colonel Brown having been in medical charge of the voyage from Bombay. Was censured by the Director General for not examining the troops on board ship for VD. The DG expressed regret that the breach of duty was committed by an officer of Brigade-Surgeon-Lieutenant-Colonel Brown's standing and antecedents.
21 Oct 1896 Retired.
- TNA:WO 177/1517, War Diaries No 57 Field Hygiene March 1941 to June 1944.
- Drew R., 1968. Entry No: 6283. Medical Officers in the British Army 1660 – 1960. Volume 1: 1660 – 1898. London: Wellcome Historical Medical Library.
- RAMC/PE/3/27/Drew. Manuscript for Drew's Roll.
- Succession Book Vol 13. Returns of service of medical officers in the Regular Army.