After a PhD in the History of Medicine from University College London, Helen Bynum lectured at the University of Liverpool before beginning a freelance career as a medical historian and popular science writer.
Together with her husband, Bill, she edited 'Great Discoveries in Medicine' before turning their attention to the world of plants and their histories in 'Remarkable Plants that Shape our World' and 'Botanical Sketchbooks'.
Helen and Bill have led and lectured on many successful tours and cruises for Jon Baines Tours.