Francis Parkman, Jr. (September 16, 1823 - November 8, 1893) was an American historian, best known as author of The Oregon Trail: Sketches of Prairie and Rocky-Mountain Life and his monumental seven-volume France and England in North America. These works are still valued as historical sources and as literature. He was also a leading horticulturist, briefly a professor of Horticulture at Harvard University and author of several books on the topic...