Arnold Orville Beckman
Chemist and inventor of pH meter
Chemist and inventor of pH meter
2004
21 years ago — 104 years old
Scientists & Innovators
United States
This American chemist developed the first pH meter in 1934, which revolutionized the field of chemistry by providing precise measurements of acidity and alkalinity. Beckman founded Beckman Instruments, a company that produced various scientific instruments, including the spectrophotometer. The spectrophotometer became a crucial tool in laboratories for analyzing chemical substances. Beckman was also a philanthropist, contributing significantly to educational institutions and research funding. He played a key role in the establishment of the California Institute of Technology's Beckman Institute.
Developed the first pH meter
Founded Beckman Instruments
Contributed to education and research funding
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