Arnold Orville Beckman Bio, Photos and Updates
Arnold Orville Beckman
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".
Born: April 10, 1900 in Cullom, Illinois, USA