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Science  28 May 2004:
Vol. 304, Issue 5675, pp. 1241
DOI: 10.1126/science.304.5675.1241d
CREDIT: ROBERT PAZ/CALTECH;

A century's work. Photochemist, entrepreneur, and philanthropist Arnold Beckman died last week at a hospital in La Jolla, California. He was 104.

A professor at the California Institute of Technology in Pasadena, Beckman started a scientific instruments company in 1935 based on his invention of the pH meter. The eponymous company now has more than 10,000 employees and 50 facilities worldwide. And, since 1977, the Arnold and Mabel Beckman Foundation has spent more than $270 million in support of science.

Beckman's instruments “combined electronics with chemistry, which accelerated research discoveries in biochemistry and human medicine,” says Caltech chemist Peter Dervan. “These discoveries fueled the biotechnology revolution in the 20th century.”

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