Robert Sidney Cahn (9 June 1899 – 15 June 1981) was a British chemist, best known for his contributions to chemical nomenclature and stereochemistry, particularly by the Cahn–Ingold–Prelog priority rules, which he proposed in 1956 with Christopher Kelk Ingold and Vladimir Prelog.[1] Cahn was the first to report the structure of Cannabinol (CBN) found in Cannabis in the early 1930s.[2][3]
Cahn was born in Hampstead, London. He became a fellow of the Royal Institute of Chemistry[4] and was editor of the Journal of the Chemical Society from 1949 until 1963, and he remained with the Society as Director of Publications Research until his retirement in 1965.[5]
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