Suddenly on Tuesday 11th May 2021, John aged 65 years of Falmouth. Dearest son of Molly, beloved husband of Julie, loving father of Jack, Bethany, Lamorna and Mawgan, much loved grandfer of Jonah and Erwin, treasured brother of Kim and uncle of Barrie and Ocean.
John had been Managing Director of Hirst since 1986. He had seen a number of changes and revolutions in magnetiser and magnet measurement techniques. Including introducing the first microprocessor controlled magnetisers in the 1980s and his mission was to get the Pulse Field Magnetometer as an internationally accepted standard for the measuring of magnets. John devoted is career to the development and research of PFMs. This research and the work on international standards still continues with Hirst.