Former CEO of American Electric Power Dies at 94
Cars That Think
AUGUST 10, 2021
After the war, he joined American Electric Power in Columbus, Ohio, as an assistant engineer. Holt supplied calibration and measurement systems used for NASA 's Apollo, Gemini, and Mercury programs, and the company's devices are still used today. DeWitt downsized his operations after an economic recession hit the United States in 1975.
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