an Entity references as follows:
Lieutenant General Sir David Willison, KCB, OBE, MC (25 December 1919 – 24 April 2009) was a British Army officer who served with the Royal Engineers from 1939 to 1963, after which he served in a series of military intelligence roles until his retirement from the army in 1975. Willison then became Director-General of British Intelligence until 1978.