Complex sentence: Kenneth Ian Griffiths is a former Royal Navy sailor who served as a radar operator in HMS Cardiff (D108) during the Falklands War, donating a significant quantity of internationally distributed photographs taken during his time in the war zone to Wikimedia Commons.
Split into simpler sentences: Kenneth Ian Griffiths is a former Royal Navy sailor who served as a radar operator in HMS Cardiff (D108) during the Falklands War. He donated a significant quantity of internationally recognisable photographs taken during his time in the war zone to Wikimedia Commons.