Herbert Rowse Armstrong
| Herbert Rowse Armstrong | |
|---|---|
| Armstrong c. 1915 | |
| Born | 13 May 1869 Plymouth, Devon, England | 
| Died | 31 May 1922 (aged 53) Gloucester Prison, Gloucester, England | 
| Cause of death | Execution by hanging | 
| Alma mater | St Catharine's College, Cambridge | 
| Occupation | Solicitor | 
| Criminal charge | Murder | 
| Criminal penalty | Death | 
| Spouse | Katharine Mary Friend  (m. 1907) | 
| Children | Three | 
| Military career | |
| Allegiance | United Kingdom | 
| Branch | British Army | 
| Rank | Major | 
| Unit | Royal Engineers | 
| Battles / wars | World War I | 
| Awards | Territorial Decoration | 
Herbert Rowse Armstrong TD MA (13 May 1869 – 31 May 1922) was an English solicitor and convicted murderer, the only solicitor in the United Kingdom ever hanged for murder. He was living in Cusop Dingle, Herefordshire, England, and practising in Hay-on-Wye, on the border of England and Wales, from 1906 until his arrest on 31 December 1921 for the attempted murder of a professional rival by arsenic poisoning. He was later also charged with, and convicted of, the murder of his wife, the crime for which he was executed.