Jaroslav Heyrovský
Czech chemist (1890-1967) · Czechia · Scientists · Died at 76
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Something wrong?He invented a way to read the electrical signature of dissolved molecules - polarography - and became the only Czech scientist to win an unshared Nobel Prize in Chemistry.
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Jaroslav Heyrovský was born in Prague on 20 December 1890, trained as a chemist, and spent his career developing polarography: a technique that uses voltage to identify and measure substances in solution. The method opened new ground in analytical chemistry, turning electrodes into precision instruments for research and industry. In 1959 the Nobel committee awarded him the prize in Chemistry for the invention, recognizing work that had quietly reshaped how chemists interrogate matter. He died in Prague on 27 March 1967.
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