James Francis "Jim" Nevill (20 February 1927 – 12 December 2007) was the head of the Scotland Yard

Scotland Yard

Scotland Yard is a metonym for the headquarters of the Metropolitan Police Service of London, UK. It derives from the location of the original Metropolitan Police headquarters at 4 Whitehall Place, which had a rear entrance on a street called Great Scotland Yard. The Scotland Yard entrance became...

 Bomb Squad. He was Detective Chief Superintendent in 1975 at the height of a Provisional Irish Republican Army

Provisional Irish Republican Army

The Provisional Irish Republican Army is an Irish republican paramilitary organisation whose aim was to remove Northern Ireland from the United Kingdom and bring about a socialist republic within a united Ireland by force of arms and political persuasion...

 bombing campaign in London, the police cornered four IRA gunmen in a flat in Balcombe Street where they took a middle aged couple hostage. The siege lasted for six days, Nevill was in charge of the negotiations. He also took part in the investigation of the Great Train Robbery in 1963. He died on 12 December 2007.

He served in World War II in the Royal Fusiliers.