Arnold Beckman
An inventor and entrepreneur whose precise pH meter and spectrophotometer became the essential tools that unlocked modern chemistry and biology.
1900–2004 (age 104)·American chemist and inventor·Birthday: April 10·The Lost Generation
Biography
Arnold Beckman saw a problem in a lab and built an industry. As a Caltech professor in the 1930s, a local citrus grower asked him to measure the acidity of lemon juice accurately. His elegant solution was the first commercially practical pH meter, a device that transformed vague color tests into exact numbers. He didn't stop there. Recognizing a broader need for precision measurement, he founded Beckman Instruments. His company's next breakthrough, the DU spectrophotometer, allowed scientists to identify substances by how they absorbed light, becoming a cornerstone instrument for research in chemistry, medicine, and the nascent field of molecular biology. Beckman's genius lay in marrying scientific insight with entrepreneurial grit, creating the tools that made twentieth-century science possible. His legacy extends into Silicon Valley, where an early investment helped launch the semiconductor revolution.
The Lost Generation
1883–1900
Came of age during World War I. Disillusioned by the carnage, they rejected the certainties of the Victorian era and built modernism from the wreckage — in art, literature, and politics.
Arnold was born in 1900, placing them squarely in The Lost Generation. The events that shaped this generation — world wars, depression, and rapid industrialization — shaped the world they entered and the choices available to them.
#1 When Arnold Was Born
The biggest hits of 1900
Arnold's Life & Times
The world at every milestone
1900Born
Boxer Rebellion in China
President: William McKinley
1905Started school
Einstein publishes the theory of special relativity
President: Theodore Roosevelt
1913Became a teenager
The Federal Reserve is established
President: Woodrow Wilson
1916Could drive
The Battle of the Somme claims over a million casualties
President: Woodrow Wilson
1918Could vote
World War I ends; Spanish flu pandemic kills millions
President: Woodrow Wilson
1921Turned 21
First commercial radio broadcasts
President: Warren G. Harding"My Man" — Fanny Brice
1930Turned 30
Pluto discovered
Gas: $0.20/galHome: $3,510President: Herbert Hoover"Body and Soul" — Paul WhitemanBest Picture: All Quiet on the Western Front
1940Turned 40
The Blitz: Germany bombs London
Gas: $0.18/galHome: $2,938Min wage: $0.30/hrPresident: Franklin D. Roosevelt"I'll Never Smile Again" — Tommy DorseyBest Picture: Rebecca
1950Turned 50
Korean War begins
Gas: $0.27/galHome: $7,354Min wage: $0.75/hrPresident: Harry S. Truman"Goodnight Irene" — Gordon Jenkins & The WeaversBest Picture: All About Eve
1960Turned 60
Kennedy-Nixon debates become first televised presidential debates
Gas: $0.31/galHome: $11,900Min wage: $1.00/hrPresident: Dwight D. Eisenhower"Theme from A Summer Place" — Percy FaithBest Picture: The Apartment
1970Turned 70
First Earth Day; The Beatles break up
Gas: $0.36/galHome: $17,000Min wage: $1.60/hrPresident: Richard Nixon"Bridge over Troubled Water" — Simon & GarfunkelBest Picture: Patton
1980Turned 80
John Lennon shot and killed in New York
Gas: $1.19/galHome: $47,200Min wage: $3.10/hrPresident: Jimmy Carter"Call Me" — BlondieBest Picture: Ordinary People
2004Died at 104
Indian Ocean tsunami kills over 230,000
Gas: $1.88/galHome: $157,300Min wage: $5.15/hrPresident: George W. Bush"Yeah!" — UsherBest Picture: Million Dollar Baby
Key Achievements
- Invented the first commercially practical pH meter in 1934, revolutionizing the measurement of acidity and alkalinity.
- Developed the DU spectrophotometer in 1941, an instrument fundamental to advances in chemical analysis and biomedical research.
- Founded Beckman Instruments, which grew into a major multinational corporation supplying scientific and medical equipment.
- His early funding of William Shockley's semiconductor lab in 1956 provided a critical seed for the development of Silicon Valley.
Did You Know?
He used the $300 profit from his first pH meter order to buy a used Model A Ford.
Beckman held over 100 patents during his lifetime.
He and his wife Mabel were major philanthropists, donating hundreds of millions to scientific research and education.
He was awarded the National Medal of Science in 1989 and the National Medal of Technology in 1988.
Beckman Coulter, the company descended from his startup, is a leading global developer of biomedical testing systems.
“There is no satisfactory substitute for excellence.”
