James CullenJames Cullen has been a professional plant taxonomist for over 50 years, working particularly on the classification and identification of plants in cultivation (especially Rhododendron) at Liverpool and Edinburgh Universities, at the Royal Botanic Gaden, Edinburgh, and in Cambridge. With the late Dr S. M. Walters, he was the initiator of the first edition of The European Garden Flora and is responsible for two spin-offs, The Orchid Book (1992) and Manual of North European Garden Plants (2001). Read More Read Less