Dubliner David McMurtry, who died in Gloucestershire on Monday at the age of 84, built Renishaw, a €3 billion global business based on precision engineering and measurement tools. His humble, but pioneering engineering genius, passion for R&D, and dedication to nurturing younger generations’ talents and confidence underpinned the success of the company he founded with his friend and fellow engineer John Deer. By any measure, the Irishman’s remarkable life was one well-lived.  Born in March 1940 and having grown up in Clontarf as one of two sons of a factory owner, Fred and housewife Margaret, he had emigrated to England…