General Sir Charles Warren, GCMG, KCB, FRS (7 February 1840-21 January 1927) was an officer in the British Royal Engineers, and in later life was Commissioner of Police of the Metropolis, the head of the London Metropolitan Police, from 1886 to 1888, during the period of the Jack the Ripper murders. Wikipedia
The definitive Wikipedia entry for Charles Warren. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Charles_Warren