Heyrovsky, Jaroslav, 1890–1967, Czech chemist, Ph.D. Charles Univ. of Prague, 1918; D.Sc. University College, London, 1921. Heyrovsky was director of the Polarography Institute at the Czechoslovak Academy of Sciences from 1950 to 1963 and a professor at Charles Univ. from 1926 to 1954. He received the 1959 Nobel Prize in Chemistry for his discovery and development of polarography, an electrochemical method of analyzing solutions of reducible or oxidizable substances. The technique enables identification of most chemical elements as well as analysis of alloys and various inorganic compounds.
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