In 1997, a company founded by Dr Zoll and his son put on the market a machine designed to be carried in an ambulance that diagnoses a patient's heart condition and transmits the information ahead to a waiting hospital.
After earlier securing the go-ahead from the European Union, on condition the combined group sells its Dewar's and Ainslie scotch brands, this week the group won approval from the US authorities, though it too demanded concessions - the sale of Dewar's and of Bombay gin.