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Oleh Hornykiewicz

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Georg Hertting, Hans Klupp, Oleh Hornykiewicz and Walter Kobinger.

Oleh Hornykiewicz (17 November 1926 – 26 May 2020) was a Polish-born Austrian Wolf Prize-winning biochemist. Hornykiewicz was born in Sykhiw (a district of Lviv), then in Poland (now Ukraine).[1]

He was chairman of the Institute of Biochemical Pharmacology at the University of Vienna for twenty years. In 1967, he began a long career with the University of Toronto in Canada and, in 1992, he was named professor emeritus at that institution.[2]

He discovered that Parkinson's disease was due to dopamine deficiency in the brain. He also played a key role in the development of L-dopa as a therapy for the disorder.[3]

Hornykiewicz died on 26 May 2020, aged 93.[4]