Johann Friedrich Wilhelm Adolf von Baeyer was a German chemist who synthesized indigo and developed a nomenclature for cyclic compounds. He was ennobled in the Kingdom of Bavaria in 1885 and was the 1905 recipient of the Nobel Prize in Chemistry. The Nobel Prize in Chemistry 1905, announced November 9, 1905. Adolf von Baeyer, “in recognition of his services in the advancement of organic chemistry and the chemical industry, through his work on organic dyes and hydroaromatic compounds”. Adolf von Baeyer: born 1835, Berlin, Prussia (now Germany). Wiki link Data: the Nobel Foundation (CC0).