Friedlieb Ferdinand Runge (1794-1867)

German chemist born near Hamburg. In 1819, at Goethe’s suggestion, he isolated caffeine from coffee. A professor in Breslau and later chemist at a chemical works in Oranienburg, he studied coal tar and isolated from it aniline, phenol (“carbolic acid”) and, in 1834, pyrrole, which he named (from the Greek for “fiery red”) because it stained a pine splint moistened with hydrochloric acid red.

His “pictures” of dye spots on filter paper are a forerunner of paper chromatography. He died poor, having lost the favour of the company he worked for.

More information: en.wikipedia.org