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One of America's foremost civil engineers of the past 150 years, John Frank Stevens was a railway reconnaissance and location engineer whose reputation was made on the Canadian Pacific and Great Northern lines. Self-taught and driven by a bulldog tenacity of purpose, he was hired by Theodore Roosevelt as chief engineer of the Panama Canal, creating a technical achievement far ahead of its time. Stevens also served for more than five years as the head of the US Advisory Commission of Railway Experts to Russia and as a consultant who contributed to many engineering feats, including the...

An Asian plant with mysterious cathartic powers, medicinal rhubarb spurred European trade expeditions and obsessive scientific inquiry from the Renaissance until the twentieth century. Rarely, however, had there been a plant that so thoroughly frustrated Europeans' efforts to acquire it and to master its special botanical and chemical properties. Here Clifford Foust presents the remarkable efforts of the explorers, traders, botanists, gardeners, physicians, and pharmacists who tried to adapt rhubarb for convenient use in Europe. His is an intriguing tale of how humans and their...