Listed memorial stone (backside) for the Australia-explorer Ludwig Leichhardt, who was born in Trebatsch, a part of the municipality Tauche in the District Oder-Spree, Brandenburg, Germany. The glacial erratic bears the four-line inscription: "Dem/Australienforscher/Ludwig Leichhardt/1813–1848". It is situated on the Leichhardtplatz (Leichhardtplace) directly in front of the village church. The disappearance of Leichhardts expedition-team in 1848 remains a mystery.