Happy birthday Arnold Orville Beckman
Arnold Orville Beckman
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Born: April 10, 1900 in Cullom, Illinois, USA
Bio: Arnold Orville Beckman was an American chemist, inventor, investor, and philanthropist. While a professor at Caltech, he founded Beckman Instruments based on his 1934 invention of the pH meter, a device for measuring acidity, later considered to have "revolutionized the study of chemistry and biology"....
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