A teenager from Barnes who now studies at Oxford will row 165 kilometres against the current in honour of her father who died from a brain tumour. Joanna Heymann, 19, studies engineering at Oxford and lost her father, Dr Tim Heymann, in October 2016. He was only 55. Dr Tim Heymann worked at Kingston Hospital for over 20 years as a gastroenterologist. Joanna said: “He was an amazing man who was a doctor, a university lecturer and a director of various public bodies.