Word: benton
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Stephen A. Benton, a pioneer of holography whose discoveries are now commonly used to protect against credit card fraud, died of brain cancer Nov. 9 at Massachusetts General Hospital...
...Benton, a professor of media arts and sciences at the Massachusetts Institute of Technology Media Laboratory, was described by his colleague Wendy Plesniak as “a warm, friendly bear of a man with an absolutely towering intellect...
...Benton, who earned his master’s and Ph.D. from Harvard and later taught at the University, invented the rainbow hologram, which is now widely used to prevent counterfeiting because of how simple it is to discern a fake hologram. In 1983, MasterCard International became the first company to use these holograms on their cards; today, they are used by every major credit card company...
What makes Benton’s rainbow holograms so special is that they are clearly visible to the naked eye. Particular lighting or lasers were needed to view previous holograms. Benton made holograms visible by using common white light...
...Holography has had one father, Denis Gabor, and three extremely gifted sons,” one of whom was Benton, said Ravikanth Pappu, another of Benton’s Media Lab colleagues...