Otto Tunmann

Otto Tunmann (13 August 1867, Posen – 11 September 1919, Innsbruck) was a German pharmacologist and phytochemist.

He studied pharmacy at the Universities of Leipzig and Erlangen, obtaining his doctorate in 1900 from the University of Bern. Afterwards, he worked as a pharmacist in Schöneck, Vogtland. From 1905 he was an assistant to Alexander Tschirch at Bern, where he conducted studies in the fields of phytomicrochemistry, microchemical toxicology and forensic chemistry. In May 1919, Tunmann was appointed professor of pharmacognosy at the University of Vienna. He died in Innsbruck, Austria a few months later.

In 1915 Tunmann isolated from the leaves of hyssop, a substance he referred to as "hyssopin".