Could Suzie Curtin be the longest-serving member of staff? Medical secretary Suzie, who works in the gynaecology directorate office at the University of Wales in Cardiff, has an incredible 54 years’ service in the NHS. At 70, she is the same age as the NHS. She says: “I came to work in the NHS straight from typing school and started my training in Llandough Hospital. I’ve only ever known working for the NHS. I love it.  I hadn’t thought…