Fifty years ago an unknown writer named Euell Gibbons (1911–1975) presented a book on gathering wild foods to the New York publisher David McKay Co. Together they settled on the title, Stalking the Wild Asparagus. No one expected that this iconic title would become part of the American language, nor did they anticipate the revival of interest in natural food and in environmental preservation in which this book played a major role. Euell Gibbons...