The Liebig Museum occupies the original laboratory where Justus von Liebig conducted his groundbreaking chemistry research in the 19th century. Liebig is one of the most important chemists in history: he established organic chemistry as a discipline, invented a method of agricultural fertilisation that transformed food production worldwide, and trained a generation of chemists who spread across Europe and America.
The museum preserves the laboratory almost exactly as it was during Liebig's working life. Glass apparatus, retorts, and scientific instruments fill the benches as if the professor has just stepped out. The building itself is a rarity — a functioning 19th-century university chemistry lab that survived World War II and has been carefully maintained ever since. For anyone with even a passing interest in the history of science, it is one of the most compelling small museums in Germany.