Adolph Emmerling (13 June 1842, Freiburg im Breisgau – 17 March 1906, Baden-Baden) was a German chemist, known for his research in the field of agricultural chemistry.
Following graduation, he spent several years as a laboratory assistant in Freiburg and Heidelberg.
In 1874 he obtained his habilitation at the University of Kiel, and in 1882, received the title of professor.
[2] In 1869, with Adolf von Baeyer, he discovered a method for synthesizing indole by fusing ortho-nitrocinnamic acid with potash and iron filings ("Baeyer–Emmerling indole synthesis").
[3][4] Many of his scientific articles were published in the periodicals, Die Landwirtschaftlichen Versuchs-Stationen and the Berichte der deutschen chemischen Gesellschaft.