Guinness led to a scandal and criminal trial concerning the artificial inflation of the Guinness share price during the takeover bid engineered by the chairman, Ernest Saunders. A subsequent £5.2 million success fee paid to an American lawyer and Guinness director, Tom Ward, was the subject of the case "Guinness plc v Saunders", in which the House of Lords declared that the payment had been invalid. In the 1980s, as the IRA's bombing campaign spread to London and the rest of Britain, Guinness considered scrapping the harp as its logo. The company merged with Grand Metropolitan in 1997 to form Diageo.
Alec Guinness while he was filming "Father Brown" in Burgundy, Guinness, who was in costume as a Catholic priest, was mistaken for a real priest by a local child. Guinness was far from fluent in French, and the child apparently did not notice that Guinness did not understand him but took his hand and chattered while the two strolled; the child then waved and trotted off. The confidence and affection the clerical attire appeared to inspire in the boy left a deep impression on the actor. When their son was ill with polio at the age of 11, Guinness began visiting a