Robert Henry Hunt-Grubbe died peacefully at home in Wiltshire, England, on the15th August 2025, aged 87.

Beloved husband of Julia; deeply loved father of Harriet, Charlotte, Henry and Rupert, and adoring grandfather of six.

Robert joined Schlumberger Wireline in 1962, staying until 1974 Henry Edmundson remarked “Robert was a gentleman and an engineering genius with who I worked in Libya in the late 1960s. He went on to found Sondex, remaining a valued friend. My sincere condolences to his wife Julia and their family …”

Richard Bateman remarked “I worked with Robert when we were both at SDRC (Schlumberger Doll Research Center) in the early 1970s and remained friends ever since. I have many anecdotes about Robert’s technical brilliance and his unique way of solving problems in unusual ways … Robert in typical fashion always wanted to get to the bottom of things and so, while working at Ridgefield, decided he would like to meet the great Henri Doll in person. He went down to New York and had a wonderful meeting with THE MAN himself and dined out on it for many days afterwards …”

In recent years Robert was strongly involved with the Devizes Assize Court Trust, helping to rescue this historic Wiltshire building that his family had ancient links to. Article about this is here.