On July 14, 1960, Jane Goo dall, a 26-year-old London debutante turned secretary with no university degree, scientific experience, or training in the field, embarked upon a lifelong dream. Her boss, Kenyan paleoanthropologist Dr. Louis Leakey, sent her to conduct a pioneering study of chimpanzees in Tanzania, “with the hope that a better understanding of chimpanzee behavior might provide us with a window on our past,” she later remembered. She took along binoculars, a notebook, and her 54-year-old mother, Vanne Morris-Goodall. Two years later, National Geographic dispatched a 25-year-old wildlife cameraman, Baron Hugo van Lawick, to record Goodall’s work. The chimps, at first distant, were soon taking bananas out of Jane's hands. All of this was captured on 140 hours of 16-mm. film, which was then lost for 60 years…