Harry Patch, the last surviving Tommy from World War I, first talked about his experiences of the war when he turned 100.
Guidance: This slideshow contains some disturbing images.
Photographs show soldiers of all nationalities during the war (PA and Getty Images).
Slideshow by Rebecca Cafe. Publication date 6 August 2009.
Speaking in 2005 on the BBC's The Last Tommy documentary, Harry recounted how his comrades were killed on the battlefield and how he could not shoot to kill.
Right up until his death on 25 July 2009, Harry became an advocate for peace and reconciliation. His funeral took place at Wells Cathedral.