Word: keyed
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Dates: during 1990-1999
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...then to Paris to study logic and abnormal psychology. Working with Theodore Simon in Alfred Binet's child-psychology lab, he noticed that Parisian children of the same age made similar errors on true-false intelligence tests. Fascinated by their reasoning processes, he began to suspect that the key to human knowledge might be discovered by observing how the child's mind develops...
...wonder Leakey became the patriarch of a family that dominated anthropology as no family has dominated a scientific field before or since. Not only did Louis, his wife Mary and their second son Richard make the key discoveries that shaped our understanding of human origins, but they also inspired a generation of researchers (myself included) to pick up where they left...
...didn't have to for very long. During World War II, the government suspended sales of TV sets, and by the war's end, Farnsworth's key patents were close to expiring. When they did, RCA was quick to take charge of the production and sales of TV sets, and in a vigorous public-relations campaign, promoted both Zworykin and Sarnoff as the fathers of television. Farnsworth withdrew to a house in Maine, suffering from depression, which was made worse by excessive drinking. He had a nervous breakdown, spent time in hospitals and had to submit to shock therapy...
...content with his lot at Bell Labs, Shockley set out to capitalize on his invention. In doing so, he played a key role in the industrial development of the region at the base of the San Francisco Peninsula. It was Shockley who brought the silicon to Silicon Valley...
...fact, the key piece of research, available to all, was completed a few years earlier by the one undisputed hero of this story, Harvard's John Enders. It was his team that figured out how to grow polio in test tubes--suddenly giving vaccine hunters everywhere enough virus to work with...