Johann Friedrich Wilhelm Adolf von Baeyer(German:[ˈaːdɔlffɔnˈbaɪɐ]ⓘ; 31 October 1835 – 20 August 1917) was a German chemist who synthesisedindigoand developed anomenclature for cyclic compounds(that was subsequently extended and adopted as part of theIUPAC organic nomenclature). He wasennobledin theKingdom of Bavariain 1885 and was the 1905 recipient of theNobel Prize in Chemistry. Fields: Organic chemistry