1840 ca, Paris, GERMANY: The celebrated german scientist and college lecturer Doctor Karl Friedrich Heinrich Marx (1796-1877). He is not related to Karl Marx, the founder of Marxism. In Göttingen Marx he met the celebrated poet Heinrich Heine his discussions about medicine and his treatise" Goettingen in medicinischer, physischer und historischer Hinsicht"are mentioned in his travel journal" Die Harzreise". Heine was also treated by Marx in Göttingen