Hermann Adolph Köhler (1834, Görlitz - 1879, Halle an der Saale) was a German physician and chemist.
Köhler, Hermann Adolph (1834-1879). Köhler's Medicinal Plants. "Köhler's Medizinal-Pflanzen in naturgetreuen Abbildungen mit kurz erläuterndem Texte ... Band I. ... II.". Gera: Köhler, 1887. First edition. Fol. With 203 full page colour lithographs. Half leather binding from the time.