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20th-century American businesspeople
IBM employees
2011 deaths
American businesspeople in the computer industry
American chief executives in technology
1925 births
American chief executives of Fortune 500 companies
University of Chicago Booth School of Business alumni
Westminster College (Missouri) alumni
Businesspeople from Missouri

John R. Opel: page information

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Page ID759049

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Words322

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CreatedJun 19, 2026, 6:43 AM

UpdatedJun 19, 2026, 6:43 AM