Jurgen Dahl (1929 2001) was a bookseller until he sold his bookshop to work as a writer and gardener. Until his death, he worked for WDR, a large German broadcasting station, and "Die Zeit", a major weekly magazine. He was the author of nearly a dozen books. For many years, he also edited "Crossroads", an annual journal of critical thinking. He received the prestigious Deutscher Journalistenpreis in 1965, the Bruno H. Schubert Environment Prize in 1987 for his work to protect the environment, and the German Horticultural Association's prize for nature education in 1998. Dahl and his wife, Hell...