Edward N. Lorenz, a Meteorologist and a Father of Chaos Theory, Dies at 90 Edward N. Lorenz, a meteorologist who tried to predict the weather with computers but instead gave rise to the modern field of chaos theory, died Wednesday at his home in Cambridge, Mass. He was 90. The cause was cancer, said his daughter Cheryl Lorenz. In discovering “deterministic chaos,” Dr. Lorenz established a principl
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